The Gorai police on Sunday caught hold of a 35-year-old posing as a cop and extorting money from couples at Gorai beach. The arrested man has been identified as Manoj Chhotulal Yogi, a Dombivli resident.

According to police sources, the accused used to target young couples visiting beaches at Manori and Gorai and especially those who looked like minors. After approaching them, he would threaten to drag them into the police station. He would also ask them for their parents' phone numbers. When the scared youngsters pleaded to be allowed to go, he would demand money from them.