Authorities have not yet determined the total number of casualties or why the plane went down as debris is seen littered across a mountainside in Guangxi s Teng county.
The China Eastern flight from Kunming to Guangzhou departed at 1:11 p.m. (0511 GMT), FlightRadar24 data showed. The flight tracking ended at 2:22 p.m. (0622 GMT) an altitude of 3225 feet with a speed of 376 knots.