Sex attacker is hit by a TRAIN and loses his arm moments after groping and trying to kiss female passenger [Video]

A VILE sex attacker has lost his arm in a train accident just moments after trying to assault a woman.

The maniac, a 22-year-old man from Tunisia, tried to kiss and grope a woman, 25, inside a tram in Stuttgart, Germany.

Fellow passengers rushed to help the woman after seeing the man trying to assault her.

They got off the train at the next stop at Oesterfeld station with the man after rescuing the victim.

A physical brawl between the passengers and the attacker then takes place on the platform of the station, allegedly causing him to fall onto the tracks.

He was then hit by an approaching train which left him seriously injured.

The man was rushed to the hospital after the horror incident where one of his arms was cut off …