CORONAVIRUS | The coronavirus lockdown will not end yet, British Prime Minister Boris Johnson said on Sunday, urging people to “stay alert” to the risks as he outlined plans to begin slowly easing measures that have closed much of the economy for seven weeks.

While his directions were for England, the government wants the United Kingdom’s other nations to take the same approach. But there were immediate divisions, with the leaders of Wales, Scotland and Northern Ireland saying they were sticking with the existing “stay-at-home” message....