Local police officers shot and killed three rioters armed with knives that attacked and injured 10 people in a residential community in Pishan county in the southwest part of the Xinjiang Uygur autonomous region, on Tuesday evening, according to xjht.gov.cn, a news portal run by the local government.

Five of the 10 people injured by the mob died later in hospital. The rest are being treated. The rioters had earlier stormed the residential community and hacked randomly at residents. An investigation is under way.