India, Feb. 26 -- MUMBAI: A 75-year-old woman was allegedly assaulted with a hammer and burnt to death by the ex-husband of her daughter in Mulund East on Monday. The accused, 55-year-old Krishna Daji Hastankar, set his ex-mother-in-law, Babi Daji Husare, ablaze in a tempo and also died from severe burn injuries as he did not exit the vehicle in time, the police said. The police suspect Hastankar killed Husare because he thought she was to blame for ending his marriage....