At least 140 people have been killed in rioting in China’s northwestern Xinjiang region, with the government blaming exiled separatists for the traditionally Muslim area’s worst case of unrest in years.

Hundreds of people have been arrested, the official Xinhua news agency said, after protestors from the Uighur minority took to the streets of the regional capital on Sunday, burning and smashing vehicles and shops, and clashing with anti-riot police.

“In terms of China’s domestic economy, it is in a remote place and it does not have a big impact on things generally unless there is some evidence, of which there is none, that the government is in some meaningful way losing control,” said Arthur Kroeber, Managing Director of Dragonomics, a research and advisory firm in Beijing.

The Emergency Election Sale is now live! Get 30% to 60% off our most popular products today!