Britain witnesses hottest day of this year on Saturday

People watch an open-air film in London, Britain, on June 29, 2019. Temperatures soared in the UK on Saturday as the island country saw its hottest day of the year. A scorching 34 degrees Celsius was recorded at Heathrow and elsewhere in west London, making it one of the warmest June days for about 40 years, the Met Office said. (Xinhua/Han Yan)