Two men have had to be taken to hospital following a fire aboard a fishing boat in Co. Down. The blaze broke out at lunchtime. The mussel dredger was tied up in Warrenpoint Harbour at the time. Both men were taken to Daisy Hill hospital in Newry. One of the two is reported to be critically ill while the condition of the other is described as stable. An investigation has begun to determine the cause of the fire.