A fisherman was killed and another went missing on Thursday after trawler \"Le Mechmoum\" sank off Chebba (Governorate of Mahdia); Six fishermen were rescued, one of whom is in a critical condition. \"Le Mechmoum,\" a net fishing trawler, was shipwrecked with 8 crew members on board about 60km from the coast west of Chebba, Chief of the Coast Guard station of Mahdia told TAP local correspondent.