Boris Johnson tonight plunged England into a new lockdown as he set out emergency measures to control the spread of new strains of coronavirus amid concerns the NHS risks being overwhelmed. Schools, shops and sports venues will close their doors for six weeks from early on Wednesday in scenes not witnessed since the original lockdown last March, with exercise pretty much the only reason to regularly leave home. The Prime Minister’s address from 10 Downing Street came after Nicola Sturgeon plunged Scotland into a new lockdown there from midnight tonight. Wales has been in lockdown since before Christmas, and Northern Ireland’s executive is due to announce its own measures when it meets tomorrow. The latest figures showed a further 407 people have died within 28 days of testing positive for Covid-19 as of Monday and there were a record 58,784 more lab-confirmed cases of coronavirus in the UK. So what are the new rules for Covid-hit Britain? Boris Johnson tonight plunged England into a new lockdown as he set out emergency measures to control the spread of new strains of coronavirus amid concerns the NHS risks being overwhelmed. Schools, shops and sports venues will close their doors for six weeks…