Chandernagar, 5 December: A cyclist was today killed when a stone from a road crater dislodged by the tyre of a  speeding lorry hit him. Amir Khan ( 20 ) was a resident of Bhadreswar. He was admitted to  hospital and was declared dead by the doctors. The incident ang ered a mob who ransa- cked the hospital. Police  resorted to lathi-charge to disperse the mob.     SNS