Imphal, Mar 8 : Six persons were injured in an accident when a truck fell into a culvert at Imphal to Moreh highway, Tengnoupal district on Tuesday. The police reported that one of the injured received critical injuries, and all were treated at Moreh hospital. Police further said some personnel of 438 Bn BSF who were doing election duty were in the vicinity of the accident and they helped in evacuating the injured to the hospital. NS RN