Chang Suibin was knocked down by bus and became trapped under wheel . More than 20 passengers and onlookers grouped together to rescue him . He was taken to a nearby hospital with a pelvic fracture and is recovering . Police officer Tang Xiaoqi waved for people to help rescue effort in Zhengzhou .
Chang Suibin was knocked down by bus and became trapped under wheel . More than 20 passengers and onlookers grouped together to rescue him . He was taken to a nearby hospital with a pelvic fracture and is recovering . Police officer Tang Xiaoqi waved for people to help rescue effort in China .