This is the terrifying moment three killer whales circled a pair of Russian kayakers who had paddled half a mile out to sea. Two kayakers immediately stop paddling in the calm waters as they spot the huge orcas swimming towards them. The nail-biting 40-second saga took place off Cape Mramorniy, on Sakhalin, an island that is almost as big as Scotland. 'It's looking at me', one of the shaken kayakers ...