 During the operation, Haviv burned his hand on the gun barrel, but stayed at his post until the end of the mission.Haviv took part in the Acre Prison break on May 4, 1947, in which Irgun fighters raided Acre Prison to free Jewish underground prisoners.Haviv was the leader of a blocking squad that laid mines to delay British pursuers, allowing the getaway trucks carrying escaped prisoners and retreating raiders to escape.