Incredible moment Steve Backshall comes across two orcas off Cornish coast

Wildlife explorer Steve Backshall came face-to-face with two of the UK's last resident killer whales off the the coast of Cornwall, marking one of his 'greatest British wildlife moments'. Backshall exclaims with glee as the orca harmoniously glide through the choppy waves off the Kernow coast more than 500 miles away from their home in Scotland.