BNPS.co.uk (01202 558833) Picture: RNLI A major search is under way today after a fishing boat with three crew failed to return to port last night (thursday). Portland Coastguard in Dorset received a call from a fisherman at 5.39pm after the Purbeck Isle was overdue and could not be contacted. A Royal Navy warship, lifeboat crew and coastguard helicopter launched a search but were unable to find the missing boat, which has not been seen since leaving the port thursday morning. It is thought the