prevent the train striking the man

昨日の朝は通学、通勤ともに大変だったようですね。ところで最後のprevent the train striking the manではfromが省略されているようですが、生徒にはどう説明しますか。Othelloくん、どうぞ。（UG）

Suicide jumpers disrupt train services at Gotanda, Shinjuku

A teenage girl jumped to her death from a platform at Gotanda Station in Tokyo on Thursday morning. On Wednesday night, a man in his 30s jumped off the platform at Shinjuku Station into the path of an incoming train and was killed instantly.

In the Shinagawa incident, the girl, who has not been identified, jumped from the JR Yamanote line platform at about 7:30 a.m., NTV reported. She was wearing her school uniform, witnesses said. Train services were delayed for about 45 minutes, affecting more than 110,000 commuters, JR officials said.

Meanwhile, in Wednesday night’s incident at Shinjuku Station, the man jumped off the platform on the Chuo Line just after 10 p.m., TV Asahi reported. The driver of the train said he saw the man jump and applied the emergency brake but it was too late to prevent the train striking the man.

Station officials said train services were delayed for about 50 minutes, affecting 36,000 passengers. 

http://www.japantoday.com/category/national/view/man-jumps-to-death-at-shinjuku-station-in-tokyo