Japanese police say 15 people, mainly schoolchildren, have been stabbed in Kawasaki City near Tokyo.
The incident took place at a park in a residential district on Tuesday morning.
Police say eight elementary schoolchildren and seven adults are receiving treatment. They say two adults and one child are without vital signs.
Police say they have detained a man thought to be responsible. They say he has serious injuries to his shoulder.
Police officers have reportedly found two knives at the scene.
NHK
