People gather at a derailed train in eastern Pakistan`s Gujranwala on July 25, 2013. At least three people were killed and several others injured when a train derailed here on Thursday, local media reported. (Xinhua/Stringer)

　　Rescuers work at the train accident site in eastern Pakistan`s Gujranwala on July 25, 2013. At least three people were killed and several others injured when a train derailed here on Thursday, local media reported. (Xinhua/Stringer)

　　Rescuers work at the train accident site in eastern Pakistan`s Gujranwala on July 25, 2013. At least three people were killed and several others injured when a train derailed here on Thursday, local media reported. (Xinhua/Stringer)