On the night of 3 March 1940, an arson attack was made against the offices of
Norrskensflamman in
Luleå. The attack was the biggest political attack during the 1900s and considered a terrorist attack. Five persons were killed, including two children, and another five persons were injured. The newspaper's offices were completely destroyed. It was carried out by Ebbe Hallberg, Uno Svanbom, a military captain, three other officers, as well as Gunnar Hedenström, a journalist from the
right-wing newspaper,
Norrbottens-Kuriren. The attack was planned in the offices of
Norrbottens-Kuriren. The arson attack had financial support from Andreas Lindblom, manager of
Skansen, and Paul Wretlind, chairman of the Stockholm section of the
Liberal People's Party. ==References==