An injured woman is seen walking away after a bus burst into flames on an elevated track in East China's Fujian province on Friday evening. [Photo/CFP]

XIAMEN - At least 20 people died and more than 30 others were injured after a bus burst into flames on an elevated track in East China's Fujian province on Friday evening, local government said.

A bus in the city's BRT (bus rapid transit) service was seen on fire in the city of Xiamen at about 6:30 pm, said an official from the municipal government of Xiamen.

Witnesses said ambulances took away "many" injured people from the site of the accident.