How cold are the UK rivers and lakes? In a heatwave? I can’t understand a cold water shock warning when it’s summer. (Unless you’re swimming in the Rhône where the water is from a melting glacier.)
Mayor of London, Sadiq KhanDon't let a hot day end in tragedy. Most of London's rivers, canals and lakes are not safe for swimming. Cold water shock can strike in seconds. Please stick to designated swimming locations and follow the advice from London Fire: