On 3 March, Negrín appointed
Francisco Galán, a member of the PCE, to command the main
naval base of the
Spanish Republican Navy at
Cartagena. On 4 March, Galán arrived in Cartagena to take over command but the supporters of Casado, led by the colonel Gerardo Armentia, revolted and arrested him. Then, the
fifth column in the city led by Colonel Arturo Espa, joined the rebellion and seized the coastal
batteries of
Los Dolores and the radio station, from where they broadcast appeals for help from the Nationalists. Rafael Barrionuevo, a retired
general living in the city, proclaimed himself
military governor. On 5 March, the Nationalist air force bombed the harbour of Cartagena, sinking Spanish Republican Navy destroyer . As a result, Commander
Miguel Buiza ordered the bulk of the fleet, which included cruisers
Miguel de Cervantes,
Libertad and
Mendez Nuñez, as well as eight destroyers, to flee to
Oran in
French Algeria. Galán was freed by the rebels when the Republican Navy threatened to
bombard Cartagena, and fled the city on board the
Libertad. The fleet were denied permission to anchor in Oran by French authorities, which directed them to
Bizerte in the
French protectorate of Tunisia. The 4th Division of the Republican Army, led by the
communist officer Joaquín Rodríguez, was dispatched to Cartagena by the communist
commissar-general of the army
Jesús Hernández in order to crush the revolt. On 5 March, the 206th Brigade entered Cartagena and successfully began to retake the city from the rebels, including the radio station and the coastal batteries. There were 61 deaths, including Gerardo Armentia, the leader of the fifth column. By 7 March, the uprising had been defeated, and the Republicans had regained control of Cartagena. == Aftermath ==