Four persons have been arrested for allegedly molesting a woman while she was travelling in a three-wheeler at Ghodbunder Road here, police said today.

The incident took place on Monday evening while the woman, 20, was going in an auto-rickshaw on Ghodbunder Road in Kapurbawdi area, when the four accused, who were onboard a towing van, began molesting her, Thane Police PRO Sukhada Narkar said.