India, Jan. 6 -- Delhi Police said a masked suspect has been seen in multiple CCTV footage outside the house of the elderly couple who was found dead at their house in Shahdara's Mansarovar Park in the early hours of Sunday. The couple's son, who was taken into custody on Sunday has been released for now, police said.

"A masked suspect was first spotted around 6.30pm on Saturday and then around 8.20pm in the CCTVs. He was found walking near the house. His activities were suspicious and we are looking for him. It looks like he came alone and without any vehicle," an officer said.

Bodies of Virender Kumar Bansal, 75, a retired school teacher, and his wife Parvesh Bansal, 65, a homemaker, were found in separate rooms in their third-floor r...