PATNA, July 21 -- Patna police said on Sunday that it has arrested the prime accused and his three associates for the murder of gangster Chandan Mishra inside a private hospital in Patna on July 17, and is waiting for transit remand from a court in Kolkata, where they were apprehended. Addressing a press conference, Patna Senior Superintendent of Police (SSP) Kartikeya Sharma said that the four arrested accused were identified as lead shooter Tauseef Raza alias Badshah, his cousin, Nishu Khan, and their associates Harsh Kumar and Bhim (goes by single name). They were arrested on Saturday. "We are waiting for the arrival of Tauseef and the three others, after which we shall immediately launch probes into the case and ensure justice," the SSP...