International canoe marathon begins in Devizes

Canoeists taking part in the 2008 Devizes to Westminster race Credit: ITV News West Country

Hundreds of kayakers are setting off from Wiltshire this morning, bound for London. They're taking part in the annual Devizes to Westminster international canoe marathon, the longest race of its kind in the world. They'll be in their boats for around 24 hours, with no breaks.