The Malvani police on Friday arrested four persons for the alleged gangrape of a 16-year-old girl in a car at Madh Island on May 31.

According to police sources, the girl went missing from her house in Madh Island on May 31 and her mother registered a missing complaint at Malvani police station. As the girl is a minor, the police immediately registered a kidnapping case against unknown persons and began the investigation.