London is set to be one of the hottest places in the world today, with temperatures soaring above the Western Sahara and the Caribbean, forcing train companies to cancel services, schools to close early and ministers to urge the public to stay at home. This, as wildfires have ripped through Portugal, Spain, Croatia, Turkey and Greece amid a sweltering heatwave. NDTV's Parmeshwar Bawa breaks down the details.
