A gunman who killed eight people at a busy shopping mall before taking his own life in Omaha, Nebraska last night left a suicide note that was found at his home by relatives, said a law enforcement official.

A GUNMAN in a trench coat fired a shotgun randomly at shoppers in a mall in Utah on Monday, killing five and wounding four before being killed by police.

A man with a shotgun entered a US shopping centre and began randomly shooting customers last night, killing five people and injuring at least four others before being killed, police said.