A masked man with a sword has killed a teacher and seriously injured three other people at a school in Sweden before being shot by police.
The attacker is being treated for gunshot wounds in a nearby hospital in the city of Trollhattan, police said.
The student victims, aged 11 and 15, and another teacher are all in surgery, the hospital said in a statement.
Police responded to an emergency call reporting an attack in the cafe area of the Kronan school, near Gothenburg.
Eyewitnesses described chaos at the school, with hundreds of students fleeing from the building screaming.