William Calley who led US soldiers in infamous My Lai massacre dies age 80

Calley was court-martialled and convicted but served only three years under arrest for the massacre in which 504 Vietnamese civilians were killed.

William L Calley Jr, who as an US Army lieutenant led the soldiers who killed hundreds of Vietnamese civilians in the My Lai massacre, the most notorious war crime in modern American military history, has died. He was 80.