Police are investigating the circumstances around which a Warwick man was injured when his motorcycle and a truck collided on South Road, Paget yesterday afternoon.The 21-year-old was taken to hospital but the driver of the truck, a 52-year-old Devonshire man was not injured. The incident occurred around 3pm near the Paget traffic lights and road traffic was backed up for some time afterward.Witnesses are asked to contact Pc Francilla Henry at 295-0011.