An attack in Tokyo, 1932. 'Un Attentat a Tokio'. The Sakuradamon Incident on 9 January 1932 was an assassination attempt by a Korean independence activist, Lee Bong-chang (1900-1932), against Japanese Emperor Hirohito. Lee threw a hand grenade at the emperor's carriage, but the attempt failed and there were no casualties. Lee was convicted and executed in Ichigaya Prison. Front cover of "L'Illustr? du Petit Journal". [France, 1932]