A family of holiday makers have questioned whether a seal found on a Cornish beach with a large chunk of flesh missing from its torso was killed by a shark.In recent weeks a surfer claimed he captured the moment a shark knocked him off his board, a dead dolphin with no head washed up on Portreath and a group of Newquay fisherman had a close encounter with a "giant shark" that tried to snatch their catch.When the Smith family came across the carcass on Mexico Towans Beach, near Hayle,...
