Japanese police on Friday detained a suspect who had holed up in a building after allegedly killing four people, including two police officers, in a gun and knife attack.
The man was taken into custody outside a farm near the city of Nakano in the Nagano region, with police confirming that an elderly woman was found injured at the scene but was later pronounced dead, adding that another woman and two police officers were earlier confirmed dead in the attack.
Police said that the 31-year-old suspect had been detained and later confirmed he had been formally arrested on suspicion of murder using a suspected hunting rifle.