A 21-year-old man has been arrested here for allegedly misbehaving with a minor girl whom he befriended on a social media platform, police said on Wednesday. S Vignesh allegedly recorded his act and demanded money from the girl by threatening to upload the clip online if she did not part with Rs five lakh, a city police release said.

He was arrested yesterday by policewomen based on a complaint from the 16-year-old girl's mother. A case has been registered against him under the Protection of Children from Sexual Offences Act 2012 (POCSO), it said, adding that the man was produced in a court which remanded him to judicial custody.