A Milwaukee policeman whose fatal shooting of a suspect sparked overnight rioting in the U.S. Midwestern city appeared to have acted lawfully after the man turned toward him with a gun in his hand,

 A gunman killed a woman and seriously wounded three others in Austin early on Sunday when he shot into a crowd leaving nightclubs in the Texas capital's downtown area,

 A decorated former U.S. Marine sergeant opened fire on police in Baton Rouge on Sunday, killing three officers, nearly two weeks after the fatal police shooting of a black man there sparked nationwide protests,

 A U.S. Army reservist who served in Afghanistan, embraced militant black nationalism and professed a desire to "kill white people" has been named by authorities as the lone gunman in a sniper attack on police in Dallas that left five officers dead.

 A man armed with an assault rifle and pledging loyalty to Islamic State militants killed 50 people during a gay pride celebration at a nightclub in Orlando, Florida, early on Sunday in the deadliest mass shooting in U.S. history,

A gunman killed three people on Thursday at a manufacturing plant in central Kansas where he worked and wounded 14 others, in a shooting spree spanning several miles that ended when a lone officer killed the suspect,

 At least 10 people were killed and 20 more injured in a campus shooting at a community college in the U.S. state of Oregon Thursday, according to state police.

 A gunman has opened fire at a cinema in the US state of Louisiana, killing two people and injuring several others before shooting himself, officials say.

 At least 147 people, mostly students, have been killed in an assault by al-Shabab militants on a university in north-eastern Kenya.

 Seven adults and two children have been found dead in the Canadian city of Edmonton after a man carried out what police called a "senseless mass murder" linked to "extreme domestic violence".

 The man who shot dead two New York police officers told members of the public "watch what I'm going to do" shortly before the attack, police say.

 Australian Prime Minister Tony Abbott has questioned why the gunman in the Sydney cafe siege was not on the country's terror watch list.

 There is no evidence so far that a gunman who attacked Canada's capital had links to Middle Eastern Islamist extremists, the government says.

 A grandfather shot dead his daughter and her six children before taking his own life at a home in Bell, Florida, police have said.

 A student at a Colorado school shot and wounded two students, one seriously, before dying of an apparent self-inflicted gunshot wound, police say.

VietNamNet Bridge – Thai Binh police on September 12 announced end to the hunt for a gunman who killed one person and wounded four others at the Thai Binh City land fund development centre.