Our Politics newsletter is now daily. Join thousands of others and get the latest Scottish politics news sent straight to your inbox.The UK’s Covid-19 alert level has been lowered, as the threat to the NHS being overwhelmed by cases of the virus has receded, the UK government has announced.The Chief Medical Officers of the fiour UK nations and NHS Medical Director have agreed to reduced the alert level from 5 to 4 in light of recent data.The news came in a joint statement from Professor Chris Whitty, Scotland’s Dr Gregor Smith, Welsh medical chief Dr Frank Atherton Northern and Ireland’s Chief Medical officer Dr Michael McBride, along with NHS Director Professor Stephen Powis.They said: “Following advice from the Joint Biosecurity Centre.