Boris Johnson insists island airport is right for London

Boris Johnson has once again thrown his support behind the idea of building an island airport for London. As part of his trip to China he's visited Hong Kong's Chek Lap Kok airport - which was built by London architects on land reclaimed from the sea.

The Mayor says he wants to do the same thing in the capital, insisting that airport expansion is vital to London's economic future. Ruth Banks reports.

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Boris visits Hong Kong airport

Boris Johnson has taken a tour of Hong Kong International Airport as part of week long visit to China to promote trade between the far east and London.