'World's biggest' tidal turbine unveiled in Scotland

What is thought to be the biggest tidal energy turbine in the world has been unveiled in the Scottish Highlands, ahead of testing off Orkney.

The Atlantis Resources AK-1000, with blades measuring 18m in diameter, is designed to be capable of generating power for up to 1,000 homes.

Craig Anderson reports from the Invergordon docks on the Cromarty Firth.

BBC News