New Delhi, April 16 -- A 27-year-old man has been arrested by the Delhi Police for allegedly physically and sexually assaulting a 70-year-old woman after breaking into her house in central Delhi's Ranjit Nagar Saturday. Senior officers said the accused, Mukesh Singh, was arrested on Monday. Police said the elderly woman usually lives alone at her residence and had met the accused, who works as a waiter with catering companies, a few days ago when he came to her door asking for water. According to the police, last week on Saturday, a call was received at Ranjit Nagar police station about the sexual assault. DCP (central) Rohit Rajbir Singh said, "The woman caller told us that she was physically assaulted by a man. A police team promptly reac...