Police in western China have detained another 319 people suspected of being involved in deadly ethnic unrest between Muslim minority Uighurs and the dominant Han Chinese community last month, a state news agency said.

Police in Urumqi, the capital of Xinjiang, said the detentions were made in the city and elsewhere in the far western region, based on information given by the public or obtained in investigations, Xinhua news agency reported late on Sunday. It did not say how many of those detained were Uighur or Han Chinese.