A man was killed and 15 others were injured while a bus plunged into a roadside ditch in Milon Bazaar  of Borhanuddin upazila  yesterday. Officer-in-Charge of Borhanuddin police station Ratan Krishna Roy quoting witnesses said the accident took place at about 11 am when a bus from Tajumuddin skidded off the road and fell into a ditch, leaving a man dead on the spot and 15 others injured.  The identity of the deceased could not be known immediately, said the OC. Of the injured five were admitted to Bhola Sadar Hospital.