A teenager is being hunted by police after attacking a teacher and another student with a knife at a school in Worcestershire.
West Mercia Police warned the 13-year-old boy fled the scene after the attack at The Chase Technology College in Malvern should not be approached.
"Officers in Malvern are investigating an assault on a teacher and student at The Chase Technology College in Malvern," a police spokesman said.
"A male teacher and a 13-year-old female student from the school were attacked with a bladed instrument at approximately 8.45am.
"The boy should not be approached, please call 999 if you see him. Police are concerned about the boy's welfare and would like to find him as soon as possible."
The suspect is described as white, 5ft 3in tall, with short, spiked hair and wearing glasses.
He was last seen wearing dark grey trousers, a grey hooded jumper and may have a dark-coloured scarf covering his face. He was also carrying a dark rucksack.
The teacher and the other victim, a 13-year-old girl, suffered minor injuries in the attack. The Chase Technology College said on its website that all staff and pupils were "safe".
"Parents should not be alarmed by the presence of police at the site. This is a precaution and the situation is fully under control," it said.