A 28-year-old National Police officer was killed on Friday after being run over by a train at the Embajadores station in Madrid.The incident is reported to have taken place at around 12pm, after the policeman requested to see the identification papers of a man in the station. Sources from the authorities say that the man “intentionally” pushed the officer, and fell down onto the tracks with him. Both were hit by a train, but the citizen escaped with injuries.