MUMBAI, Oct. 20 -- Long before Hritik Kumar, alias Roshan, was arrested on a train while allegedly fleeing after the shooting at actor Tiger Shroff in Juhu, the 22-year-old had acquired a reputation for picking fights in the Andheri West neighbourhood where he lived. Residents of Gilbert Hill, where he rented a room for around six months, said even seemingly minor disputes over parking his electric scooter or water spilling near his doorway could trigger angry confrontations. Kumar, originally from Bihar's Begusarai district, was allegedly riding the two-wheeler when his accomplice fired shots at Shroff on Sunday evening, police said. He worked as a Rapido bike-taxi rider and delivery partner, using his electric scooter to ferry passengers and deliver orders. Residents of the locality generally kept their distance from Kumar, fearing that an everyday disagreement could quickly escalate into a fight. "Roshan was extremely aggressive and was always ready to pick fights. He would argue with neighbours over issues such as water being spilled near his door or someone parking their bike in the spot where he parked his vehicle," said Mohammed Azhar, a construction site worker who lived nearby....