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
After a relatively mild and quiet night, an episode of rain for many of us tomorrow.
The 34-year-old from Coulsdon in Surrey died during the private party in Headley in the early hours of Monday, Surrey Police said.
The Home Office made the arrests at various restaurants across London on July 4.