A third death relating to Covid-19 has been announced in East Yorkshire as the national death toll increased to 1,408, an increase of 180.
It has also been announced that data on coronavirus deaths will be added to by the Office for National Statistics from Tuesday to include deaths that did not take place in hospital.
Before that, data on deaths has only included patients under the active care of NHS trusts.
Boris Johnson, meanwhile, said the UK will get through the coronavirus crisis "together" after 20,000 ex-NHS staff returned to work.
He thanked the thousands of nurses and doctors who answered a call to return to the health frontline, as well as 750,000 members of the public who have volunteered to help the battle against Covid-19.
The Prime Minister, who is self isolating in Downing Street, made the statement amid warnings that restrictions on movement could last for at least six months.
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In the daily briefing from Downing Street on Monday afternoon, chief scientific adviser Sir Patrick Vallance said questions about when lockdown restrictions might begin to ease were "premature" until the pandemic had started to stabilise.
In that same briefing, Foreign Secretary Dominic Raab unveiled new plans to get Britons who are stranded abroad home through an arrangement between the Government and various airlines including British Airways, Virgin and easyjet.
Mr Raab said the Government had not faced a challenge like this “in recent memory”.
As UK cases increased to 22,141 on Monday, the Ministry of Justice also revealed that, as of 5.40pm on Sunday, 55 prisoners had tested positive for coronavirus in 21 different prisons across the UK.
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