Spotlight: UK faces "real challenge" in enforcing coronavirus lockdown

Policemen drive a van in Hyde Park after the British government placed further restrictions on movement in London, Britain on March 24, 2020. British Prime Minister Boris Johnson announced Monday evening a series of measures that aim to restrict social contact in the UK, so as to curb the spread of COVID-19. Starting from Monday night, people in Britain will only be allowed to leave their homes for "very limited purposes", including shopping for basic necessities, for any medical need, for one form of exercise a day, and to travel to and from work when necessary, said the prime minister. (Photo by Tim Ireland/Xinhua)