Two people have died in a shooting at Sparks Middle School in the US state of Nevada, local police have told the Associated Press.
Washoe County School District Police could not confirm the pair's identities but said one of them was the shooter.
Two boys, both minors, are in a critical condition in Renown Regional Hospital with apparent gunshot wounds, the hospital's spokeswoman Angela Rambo said.
More top news
Former Girls Aloud singer Kimberley Walsh is pregnant with her second child, she has revealed.
Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.
In his first outing since the referendum result, the lead Leave campaigner has outlined his vision for a post-Brexit Britain.