A Cobra emergency committee will take place today to discuss the prospect of extending the UK's lockdown beyond three weeks.

Ministers will meet to discuss the lockdown measures with leaders of the devolved nations, as Boris Johnson spent a third night in intensive care.

Foreign Secretary Dominic Raab, who is deputising for the Prime Minister, will chair the cobra committee.

But with Wednesday seeing a rise of 938 in the number of deaths in hospitals of patients who tested positive for Covid-19, the highest new total so far, and the Prime Minister still in hospital, there seems little chance of the lockdown being lifted.

But the restrictions face their toughest test so far over the Easter weekend, with temperatures set to reach 25C (77F) in some parts of the country.

Downing Street handout photo of Chancellor Rishi Sunak holding a digital Covid-19 Press Conference

Chancellor Rishi Sunak refused to "speculate" about the future of the lockdown, instead confirming there would be a review of the measures "in and around three weeks" after they started.

The three-week mark will be reached on Easter Monday, while legislation designed to assist with the containment must also be reviewed at least once every 21 days - with the first due to be carried out by April 16 at the latest.

Mr Sunak sidestepped questions about the prospect of different parts of the UK emerging from the lockdown at different times.

Deputy chief scientific adviser Professor Dame Angela McLean, addressing the same question, said she suspected "simple strategies might well turn out to be the best to use".

Work and Pensions Secretary Therese Coffey said Britons have responded "really well" to the measures but told ITV's Peston: "It's not a case of just throwing that away but in making sure, as we have done every step of the way in our plan, we listen to our experts, we come to a judgment and more of that will be discussed (on Thursday)."

Welsh First Minister Mark Drakeford earlier said the lockdown will not end in Wales next week, insisting "we will not throw away the gains" by "abandoning our efforts just as they begin to bear fruit".

Boris Johnson

Debate about the lockdown took place as Downing Street offered more hopeful news about the Prime Minister.

Number 10 said Mr Johnson remains in intensive care but is making "steady progress", with further updates expected on Thursday.

Mr Sunak said the PM was "sitting up in bed" and "engaging positively" with the medics treating him for Covid-19 at St Thomas's Hospital in London on Wednesday.

But the boost came as the nation saw its record number of deaths in hospitals, with a rise of 938 taking the toll to at least 7,097, according to Department of Health figures.

Though significantly larger than the previous highest toll of 786, Prof McLean said new cases are not "accelerating out of control".

At the daily Downing Street press conference, Mr Sunak unveiled a £750 million bailout to keep struggling charities afloat in the Treasury's latest emergency measure.

Many charities welcomed the move but some also warned it must be the start - and not the end - of the Government's efforts in protecting the sector.

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Coronavirus latest

Providing an update on Mr Johnson, a Downing Street spokeswoman said on Wednesday night: "The Prime Minister continues to make steady progress. He remains in intensive care."

No 10 earlier said the PM was no longer working while following the advice of doctors, and receiving just the "standard oxygen treatment" and "breathing without any other assistance".

The PM's three-week review into the lockdown measures had been due on Monday, but Downing Street is now saying it will be "on or around" that day.