epa08413519 A handout photo made available by n10 Downing Street shows Britain's Prime Minister Boris Johnson making a television address to the nation in n10 Downing street in London, Britain, 10 May 2020. EPA-EFE/ANDREW PARSONS/DOWNING STREET HANDOUT The Image can not be altered in any form. MANDATORY CREDIT Andrew Parsons/n10 Downing street. HANDOUT EDITORIAL USE ONLY/NO SALES