 In November 1931, Kashii imposed martial law over the Japanese-ruled area of the Chinese city of Tientsin (now Tianjin).In the February 26 Incident attempted coup d'état of 1936, Kashii was a leader of government forces that suppressed the revolt.Since he was sympathetic to the Imperial Way Faction, which included some of the officers who started the coup, he initially resisted military action against the revolt.