A staff member died when a student opened fire at a school in Nevada, shooting several people before dying of a self-inflicted gunshot wound.
Two boys taken to a local hospital in a critical condition were also students at Sparks Middle School, Washoe County emergency manager Aaron Kenneston said.
More top news
Can you guess what film the cow was trying to watch?
New 'smart ticketing' plans will also be introduced so travellers can receive automatic compensation payments for late trains.
The 41-year-old father of six died last Thursday - a week before he and the band had been due to begin touring in North America.