).To obtain arms from fascist Italy, the group assassinated two Italian antifascists, the Rosselli brothers, on June 9, 1937, and sabotaged aeroplanes clandestinely supplied by the French government to the Second Spanish Republic.They also attempted a coup against the Popular Front government, elected in 1936, leading to arrests in 1937, ordered by Interior Minister Marx Dormoy, during which the police seized explosives and military weapons, including anti-tank guns.