Japan: suspect detained after four killed in shooting and stabbing attack in Nagano

Police say two people were fatally stabbed and two police officers who came to investigate were shot dead

Japanese police have detained a suspect who had been holed up in a building after allegedly killing four people including two police officers in a gun and knife attack, an official said.

The man was taken into custody outside the farm property near the city of Nakano in Nagano region, with police confirming a fourth fatality overnight - an elderly woman who was found injured at the scene and later pronounced dead.