A youth has been stabbed to death by some miscreants during a concert at Bogura Government Azizul Haque College. The deceased was identified as Mehedi Hasan, 26, son of Rafiqul Islam of Malgram Chappara and a mechanic by profession. Bogura sadar police station Officer-in-Charge AKM Mainuddin said the  concert started at Azizul Haque College in the evening and Mehedi was stabbed near the college gate at night. Two youths killed as speeding bus smash their bike: Police He was taken to Shaheed Ziaur Rahman Medical College Hospital where the doctors declared him dead.  The exact cause of his death is yet to be known, he said.