Kalyan, March 4 -- A 50-year-old man was arrested on Friday for killing a 65-year-old retired Mumbai Port Trust (MbPT) employee inside the Titwala bound local train on Thursday afternoon. The accused, identified as Sunil Yadav, repeatedly punched and hit the victim - Baban Hande and banged his head on a hard surface till he died. The incident unfolded after Hande's leg inadvertently touched Yadav inside the train....