A two-year-old girl was stabbed to death in a fight involving 10 adults in an Oslo school Friday, police said.
At least three people, including the girl's two relatives, were hospitalised with serious injuries, Xinhua quoted an Oslo police officer as saying at a press conference.
Police were working to establish the sequence of what had happened.
One suspect, a 30-year-old man, was arrested while the second suspect, a 35-year-old man, was among the critically injured.
The body of the girl was carried away in a coffin from the scene in the evening.
Police said that knives and a softgun were found on the spot.
