NANNING - More than ten people were injured in a bus fire on Friday in Liuzhou city in South China's Guangxi Zhuang autonomous region, local authorities said.

According to witnesses, the accident happened around 6:20 pm when a moving bus caught fire on Pingshan Road. There were 40 to 50 passengers on board.

Ten injured passengers have been taken to hospital, and three of them are in critical condition.

The cause of the fire is under investigation.