Police were able to catch the woman however the man, who appeared to be a foreign national, escaped

Highlights The video of the act was widely circulated on social media

The couple stopped and crossed the road after spotting the police

Police say the woman is mentally unstable. The man is still at large

Undeterred by passing cars and pedestrians, a young couple allegedly had sex on a road divider in south Mumbai's posh Marine Drive area at Nariman Point on Thursday, news agency IANS reported. Hundreds of people watched, clicked photos and filmed the bizarre incident as cars sped by at a busy hour of the day.The video was circulated widely on social media.The incident happened between the Air India Building and Marine Hotel Plaza, on the busy thoroughfare of Marine Drive, also known as Queen's Necklace. The spot was just a few metres from the Maharashtra state government headquarters.While pedestrians shot a video of the act, someone alerted the Police Control Room which rushed a mobile van from Marine Drive Police Station there.Seeing the police, the couple disentangled, adjusted their clothes and quickly crossed the road to the other side, dodging the heavy traffic.The police were able to catch the woman. However, the man, who appeared to be a foreign national, managed to escape. The police are trying to find him.When the police questioned the woman, she claimed she was from Goa, but later backtracked and gave conflicting replies. She also claimed they were just kissing. No charges have been pressed yet.According to police, the woman appeared to be mentally unstable and has been sent to the Mahila Suraksha Kendra in Chembur. Further investigation is on, the police told news agency IANS.

The police are scanning the CCTV footage in the area to track down the man, besides checking local hotels, and Foreigners Regional Registration Office for his identity.