( CNN ) -- At least two carriages of a passenger train fell into a river Thursday after floods destroyed a bridge in southwest China 's Sichuan Province , state-run CCTV reported Friday , citing Chengdu Railway authorities . It was not immediately known how many passengers were inside the carriages , which a firefighter said were swept 200 meters downriver . Local authorities said they were doing their best to carry out rescues . The accident occurred in Guanghan at about 3:20 p.m. Thursday on the Shi-ting-jiang Bridge , part of the railway line that links Chengdu and Baoji , in northwestern Shaanxi Province . Floods caused the bridge piers to collapse , which forced the train from its track , they said . People aboard five other carriages were taken to safety . The train was traveling from Xi'an , the capital of Shaanxi , to Kunming , the capital of southwestern Yunnan Province .
The fate of passengers and crew is not clear . Hide Caption 1 of 27 Photos:Photos: Deadly plane crash in Indonesia The train was traveling from Shaanxi to Yunnan Province .