a woman wearing a protective face mask walks in central London on March 15, 2020. - Britain on Sunday said its criticised plan to deal with coronavirus was designed to "protect life" in a "sustainable" manner as it prepared to unveil "wartime-style" measures to tackle the outbreak. The government has yet to implement the kind of tough measures that continental Europe has adopted, but health minister Matt Hancock said Sunday it would announce emergency powers on Tuesday, which are expected to include a ban on mass gatherings. (Photo by Tolga Akmen / AFP)