Suspect held after students wounded at German school

Five students are said to have been wounded in an apparent knife attack in the western German city of Wuppertal.

Police say they have arrested a suspect, who is also thought to have been hurt.

An unconfirmed report from Bild newspaper said the students were attacked by a classmate, although details are unclear.

Teenagers at the Wilhelm-Dörpfeld secondary school reportedly barricaded themselves into their classrooms.

A major police operation is under way. "Students have been injured," police said in a statement on social media, adding later that the school had been cleared and all the students were safe and being looked after.