More than 400 victims were taken to hospital after a mass shooting in Las Vegas which left 50 people dead, police said on Monday.

Approximately 406 people were transported to area hospitals, the Las Vegas Metropolitan Police Department said in a statement which also put the toll from Sunday night's shooting at 50.

Police had previously said at least 50 people had been killed at the country music festival and put the number of injured at more than 200.

It was not immediately clear if the 406 included anyone who was later pronounced dead in hospital.