Chinese engineer Xing Shujun is accompanyed by nurses at Beijing Union Medical College Hospital May 7, 2004. Four Chinese engineers wounded at a car bomb explosion in Pakistan early Monday returned to China Friday.

Chinese engineer Xing Shujun is accompanyed by nurses at Beijing Union Medical College Hospital May 7, 2004. Four Chinese engineers wounded at a car bomb explosion in Pakistan early Monday returned to China Friday.

Chinese engineer Yu Jianqiang (on the wheelchair) leaves ward at Aga Khan University Hospital in Karachi May 6, 2004. Four Chinese engineers wounded in a car bomb attack in Pakistan early Monday returned to China Thursday evening.