The site of the bus hijacking on the highway of Nanjing's Third Yangtze River Bridge in Nanjing, East China's Jiangsu province, Aug 30, 2011. [Photo from microblog]

A man is arrested on the highway of Nanjing's Third Yangtze River Bridge after a bus hijacking incident in Nanjing, East China’s Jiangsu province, Aug 30, 2011. [Photo/CFP]

A hostage has been rescued after a coach running on the highway of Nanjing's Third Yangtze River Bridge was hijacked in Nanjing, East China's Jiangsu province, jschina.com.cn reported Tuesday.

The bus was travelling from Huainan city in East China's Anhui province to Xiaoshan city in eastern Zhejiang province, the report said. Four hijackers were initially confirmed and casualties remain uncertain at the moment.

The injured have been taken to hospital, the report said.