Navi Mumbai, March 30 -- A day after a waiter was murdered for fighting off a robbery attempt in Vashi, three persons were arrested on Friday. The accused have been identified as Muhammad Ali Mubarak Sheikh, 21, a resident of sector 15 in Nerul, while the other two- Shahnawaz Hanif Sheikh, 22, and Imran Yakub Ali Sheikh, 33, are from Mumbra. Imran is a history-sheeter and has cases against him at Oshiwara, Goregaon and Borivali police stations, said a police officer....