Market2024 Baltic Sea submarine cable disruptions
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2024 Baltic Sea submarine cable disruptions

On 17–18 November 2024, two submarine telecommunication cables, the BCS East-West Interlink and C-Lion1 fibre-optic cables, were disrupted in the Baltic Sea. The incidents involving both cables occurred in close proximity to each other and near-simultaneously, which prompted accusations from European government officials and NATO member states of hybrid warfare and sabotage as the cause of the damage. Currently, the damage to those undersea cables has not been conclusively attributed to any specific party. Investigations are ongoing and since 19 November, the Chinese cargo ship Yi Peng 3 has been under scrutiny due to its presence near the cables at the time of the incidents. Western intelligence officials believe the ship's anchor may have caused the damage, either accidentally or under the influence of Russian intelligence.

Background
The BCS East West Interlink is a long submarine data communication cable that runs through the Baltic Sea, built in 1997 by Alcatel and owned by Arelion. It connects Sventoji in Lithuania to Katthammarsvik on the east coast of the Swedish island of Gotland. From Gotland another cable passes data to the Swedish mainland. The C-Lion1 is a submarine communications cable between Finland and Germany. The cable is owned and operated by Finnish telecommunications and IT services company Cinia Oy; it is the first direct communications cable between Finland and Central Europe, and has operated since May 2016. (IMO 9313204) is suspected of causing the Balticconnector incident'' A year before, a similar undersea infrastructure disruption event, the Balticconnector incident, occurred when the Chinese ship Newnew Polar Bear dragged its anchor across the seabed, damaging a pipeline and submarine cables between Sweden and Estonia. Worldwide, about 200 undersea cables have been cut or disrupted annually as of 2024, due most frequently to unintentional damage from fishing equipment or the anchors of ships. == Disruptions from 18 November 2024 ==
Disruptions from 18 November 2024
On Monday, 18 November 2024, the telecommunications company Telia Lithuania announced that the BCS East-West Interlink submarine cable between Lithuania and Sweden had been "cut" on Sunday morning at around 10 a.m. local time. At around the same time, the submarine cable C-Lion1 for data communication between Finland and Germany was cut in the same region of the Baltic Sea. As a result, both of their telecom services were disrupted. The C-Lion1 fault was discovered off the coast of the Swedish island of Öland. The two faults were detected about apart from each other. The BCS East-West cable is at a depth of and C-Lion at deep. An Arelion spokesperson described the damage to the BCS East-West Interlink cable as "...not a partial damage. It's full damage." At the time of the incident, the cable provided about 1/3rd of the internet capacity of Lithuania. Cinia chief executive Ari-Jussi Knaapila stated that the company was in the process of conducting physical inspections at the site of the fault. BCS East-West Interlink and C-Lion1 were restored on 28 November 2024. The Swedish authorities deemed the 2025 January Vezhen incident as an accident, not deliberate. On 8 February 2025, a Russian cable was inoperable and being repaired by Russian ships in Finnish waters in the Gulf of Finland, while being monitored by the Finnish Coast Guard . On 21 February 2025, Cinia announced there had been damage to a data cable between Germany and Finland, with sabotage suspected at a location east of Gotland. == Reactions ==
Reactions
On 18 November, the Foreign Ministers of Germany and Finland issued a joint statement expressing "deep concern" over the C-Lion1 cable's disruption, and expressed suspicion over possible hybrid warfare conducted by Russia, causing the disruptions in the midst of the Russian invasion of Ukraine and elevated tension against NATO member states. German Federal Defense Minister Boris Pistorius called the incident an act of sabotage. Kremlin spokesman Dmitry Peskov rejected suspicions and called it "absurd", accusing Russia without evidence. On 26 November 2024, Chinese Foreign Affairs Ministry issued a statement of "no knowledge" regarding the incident. == Suspicious ships ==
Suspicious ships
The Yi Peng 3 came under investigation for the 2024 Baltic Sea submarine cable disruptions. It was identified at both scenes, and by the time it reached the Great Belt strait, the Royal Danish Navy started following the ship. Yi Peng 3 |hide_header= |name=* Leda (2001–2007) * Avra (2007–2016) * Yi Peng 3 (2016–present) |namesake= |registry=* Majuro, (2001–2007) * Piraeus, (2007–2015) * Monrovia, (2015–2016) * Ningbo, (2016–present) |ordered=January 2000 |builder= Samho Heavy Industries (Samho, Yeongam, South Korea) |yard_number=1084 |laid_down=14 February 2001 |launched=18 May 2001 |completed=5 July 2001 |status=In service |identification=* * * |notes= }} |hide_header= |header_caption= |type=Bulk carrier |tonnage=* * * |displacement= |length= |beam= |draught= |power=MAN-B&W 6S60MC (11,160kW) |propulsion=Single shaft with fixed pitch propeller |speed= |capacity=7 cargo holds, |crew=24 |notes= }} }} Yi Peng 3 (), originally named Leda and later Avra, is built by Samho Heavy Industries in South Korea in 2001. It has been owned since 2016 by Ningbo Yipeng Shipping Co., Ltd. in Ningbo, Zhejiang and was renamed to Yi Peng 3. Baltic Sea voyage, November 2024 The Yi Peng 3 left the port of Ust-Luga, Russia, on 15 November with a load of fertilizer, a week prior to the cables being damaged. Information about the destination of the ship offered by media outlets varied, the most frequently mentioned being Port Said, Egypt, while the analysis provider MarineTraffic, said the destination was unknown upon departure. On 17 November, between 1:30 a.m. (UTC) and 11:19 a.m. the ship passed the Swedish island of Gotland. Yi Peng 3 crossed BCS East-West. At around 10 a.m., the Lithuanian telecom provider Telia in Vilnius received a fault report: the connection between Šventoji, Lithuania, and Gotland, Sweden had been severed. The ship crossed several times over the position of damage of the two cables. Yi Peng 3 continued its journey south. After Gotland, the freighter switched off its automatic identification system (AIS) signal for 7.5 hours. At 22:41 (UTC) the ship switched AIS back on and was located south of the Swedish island of Öland. The report also stated that, though Chinese authorities were cooperating, investigators believe that Russian intelligence had induced the vessel's Chinese captain to drag its anchor in order to cut the cable, referencing encrypted communication relayed to Yi Peng 3 by Russian vessels on 21 November. On 19 November 2024, after passing the Øresund, the ship contacted Danish authorities and requested to anchor in the Kattegat at the position, where it stayed for the next weeks, outside Denmark's Territorial waters but inside Denmark's economic zone. It was suspected of being involved in the sabotage. Therefore, investigators could have only boarded the vessel with Chinese approval. If Yi Peng 3 had continued its voyage, a Danish navy expert explained in an interview on 6 December, there would have been no legal basis for stopping it. The detention of the Chinese vessel was the first enforcement action under the Convention for the Protection of Submarine Telegraph Cables since the Transatlantic cables incident of 1959. From 20 November 2024, Yi Peng 3 was stationed at a sea position in the Kattegat off anchor and has been guarded by the Royal Danish Navy. On 22 November, the German Coast Guard sent and the Swedish Coast Guard also sent Poseidon, one of its largest ships, joining the Danish patrol vessel in monitoring Yi Peng 3 in Kattegat. On 22 November, a ship from the Finnish Coast Guard, the , a Swedish Coast Guard vessel and from the German Federal Police arrived at the damaged site of the C-Lion1 undersea data cable to examine it using remotely operated vehicles from the Swedish military. Press requests for updates with Danish, German and Swedish authorities did not produce any new findings, nor information was given with reference to ongoing investigations, as late as 15 December 2024, while Yi Peng 3 remained at the same position. On 17 December 2024 the Russian Navy Sea rescue tug Yevgeniy Churov was reported to have approached the anchored Yi Peng 3, passing it at very low speed and with its own AIS transmitter turned off. On 18 December 2024 Chinese authorities allowed German and Swedish investigators to board Yi Peng 3, but the mission was postponed due to bad weather. Finally, on 19 December 14 Chinese, 9 Germans, 6 Swedes, 3 investigators from Finland and one Dane boarded the vessel. The Chinese investigation team, accompanied by the western observers, questioned the crew, inspected relevant pieces of equipment and reviewed documents. The operation lasted for five hours. The Chinese representatives did not permit access for Henrik Söderman, the Swedish public prosecutor, according to the Swedish authorities. The Swedish government had put pressure on Chinese authorities for the ship to move from international waters into Swedish territory to allow a full investigation. On 23 December, Swedish foreign minister Maria Malmer Stenergard said that China had refused to permit Swedish prosecutors to board the vessel. On 21 December 2024 Danish authorities reported the ship had weighed anchor and continued its voyage. A Swedish Coast Guard statement said the Yi Peng 3 did so on its own initiative, with the given destination being Port Said in Egypt. == Investigations ==
Investigations
The Swedish Prosecution Authority opened an investigation into "sabotage" regarding the disruptions of the two BCS East-West Interlink and C-Lion1 cables. On 20 November, Keskusrikospoliisi (KRP), Finland's national bureau of investigation, opened a criminal investigation into the rupture of the C-Lion1 cable on suspicion of "aggravated criminal mischief and aggravated interference with communications." On 26 November, the three nations signed an agreement to proceed with a joint investigation, coordinated through the Eurojust. Following the allegations of sabotage by Yi Peng 3, Sweden asked China to cooperate with the Swedish authorities on the case, according to Prime Minister Ulf Kristersson, who emphasized that there was no "accusation" of any sort. Under the flag state principle, China has jurisdiction over Yi Peng 3 and ultimately determines any necessary investigations or prosecutions. Despite the presence of Danish, Swedish, and German patrols observing the vessel since 19 November, maritime law requires China's consent for any significant legal actions to be taken. China agreed on 29 November 2024 to cooperate in the investigation. China was ready to "work with relevant countries to find out the truth," said Mao Ning, the Foreign Ministry spokeswoman. China and Sweden were in close contact on the matter, she added. On 19 December, representatives from Sweden, Germany, Finland, and Denmark were invited by Chinese authorities to board the vessel as observers during a Chinese-led investigation. While Swedish prosecutors leading a separate European investigation were not permitted to board, Sweden's accident investigation authorities were invited to board. Jonas Backstrand, chair of Sweden's accident investigation authority, stated: "We are content with the visit onboard, which was relatively open and transparent, and we had the possibility to see what we wanted to see and to talk to the crew members that we wanted to talk with." European authorities have not ruled out sabotage while U.S. intelligence officials assessed that "the cables were not cut deliberately". == See also ==
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