Athletes swim Thames to highlight 'sewage crisis'

Eight swimmers are taking part in a 200km (124-mile) swim relay along the length of the River Thames to raise awareness of the UK's "sewage crisis".

The participants, coordinated by Surfers Against Sewage (SAS), set off on Monday from Lechlade, Gloucestershire, and will finish at Teddington Lock on Thursday.

They will then travel by boat and kayak to Westminster, where they will call for "urgent action to protect the UK's rivers, lakes, and seas".