A man and a woman ambushed and murdered two police officers lunching at a Las Vegas restaurant at point-blank range before fleeing to a store where they killed a third person, then themselves, in an apparent suicide pact.

Cash-strapped police in Las Vegas are under investigation after apparently giving Guns N’Roses guitarist Darren Ashba a ride in the force helicopter so he could propose to his girlfriend.

An argument at a Las Vegas hotel triggered a shoot-out that left three people dead and at least six injured, police said.

Six young people were shot after they stepped off a bus that had left a high school, leaving at least one critical, in a horror attack just streets from two primary schools.