A 20-year-old British man accused of attempting to shoot Donald Trump at a Las Vegas casino will plead guilty to lesser charges when he appears in court, his mother has said.

A British man who was critically injured as he tried to save a fellow backpacker as she was stabbed in a knife attack in Australia has died, police said.

A British man accused of trying to take a police officer's gun in order to kill US presidential hopeful Donald Trump in Las Vegas has been denied bail by a federal judge.