Local police block part of the Frankfurt main station in Frankfurt, Germany, July 29, 2019. An 8-year-old boy was killed by a moving train after he and his mother were allegedly pushed by a man onto the tracks Monday morning at the Frankfurt main station. The boy's mother was barely able to save herself and was taken to the hospital, the German media BILD quoted local police as saying. The suspect was arrested after being caught in the station. (Xinhua/Shen Zhonghao)