A Mumbai man was arrested after being beaten up by passengers for allegedly abusing a 15-year-old girl onboard a suburban train, according to a police official.

The incident took place on Saturday night between the Dadar and Andheri stations on the Western Line. The accused, 34-year-old Noor Ahmed Sagir Ahmed of Kamathipura, was caught by officials on Monday, a Bandra railway police station official told news agency PTI.