Sunak had been handed the independent report into allegations made by several civil servants on Thursday and a decision on Raab, who is also the UK Justice Secretary, was anticipated ever since.
Asked during a news conference about the possibility of sports matches restarting, foreign minister Dominic Raab said it would "lift the spirits of the nation".
The Taliban takeover of Afghanistan will inspire terrorists and trigger an "explosion" of extremism and security challenges for the world, UK Defence Secretary Ben Wallace warned on Thursday.
There was as much action off the field as on it during the month-long Euro 2020 championships.
In another move aimed at continuity, James Cleverly will stay in his post as Foreign Secretary despite not being a Sunak loyalist.
Sunak, who has been leading the UK government's economic response during the COVID-19 lockdown as the Chancellor of the Exchequer, will automatically step in as part of an established order of precedence in the UK -- which does not have a written Constitution.
United Kingdom Foreign Secretary Dominic Raab has taken charge as Johnson was moved to the ICU at St Thomas' Hospital in London on Monday.
Boris Johnson was moved to intensive care at St Thomas' Hospital in London on Monday night following a worsening of symptoms. He has received oxygen treatment but has not required a ventilator so far.
United Kingdom Foreign Secretary Dominic Raab said during the daily Downing Street briefing that the UK's strict social distancing rules were making a difference and saving lives.
External Affairs Minister S Jaishankar left London at the end of a four-day visit to the United Kingdom on Friday with a message of convergence as the two countries agreed on an ambitious '2030 Roadmap' towards a Free Trade Agreement (FTA).
The 42-year-old frontrunner's tally continues to grow as former prime minister Boris Johnson flies back from his Caribbean holiday to reportedly also join the contest.
In a cabinet that was already being touted as the most diverse in British history, Priti Patel became the first Indian-origin home secretary with Pakistani-origin Sajid Javid moving from the UK Home Office to become the new chancellor.
The resignations are being seen as a sign of bigger troubles ahead for May, who defended the deal before belligerent MPs in the House of Commons.
In a surprise move, Pakistan's powerful intelligence chief Lieutenant General Faiz Hameed on Saturday dashed to Kabul, amidst the Taliban struggling to finalise and install an inclusive government in Afghanistan that would be acceptable to the international community.
The UK is likely to be for another three weeks, is inevitable.
The Chinese Embassy in London and the Chinese ambassador to the UK issued strong statements condemning the UK's move as a disregard for its representations and 'blatant' interference in its internal affairs.
The UK said the deployment of the carrier strike group marks the start of "a new era of defence cooperation with allies in India and the Indo-Pacific."
In a big blow to embattled British Prime Minister Johnson, two of his senior Cabinet colleagues, including Chancellor Rishi Sunak, resigned on Tuesday, as they expressed their loss of confidence in his leadership amidst a spate of scandals.
The 42-year-old is holding a solid 55 per cent lead with the Oddschecker betting odds aggregator, followed by a 29 per cent chance of former prime minister Boris Johnson making a comeback. Third placed in what is emerging as a three-way contest is Leader of the Commons Penny Mordaunt, who had polled third in the first round of parliamentary votes to shortlist candidates for the last leadership race.
A delegation of senior Pakistani officials led by Inter-Services Intelligence Director General Lieutenant General Hameed arrived in Kabul to conduct discussions with the incoming Taliban government, the Pakistan Observer newspaper reported.
'If the new regime in Kabul wants diplomatic recognition, or to unlock the billions that are currently frozen, they will have to ensure safe passage for those who wish to leave the country, to respect the rights of women and girls, to prevent Afghanistan from, again, becoming an incubator for global terror, because that would be disastrous for Afghanistan'
The former Cabinet minister received 114 votes in the first round of a secret ballot of Tory MPs held in the House of Commons, followed by United Kingdom foreign secretary Jeremy Hunt in second place with 43 and environment secretary Michael Gove third with 37 votes.
The UK's lockdown, which involves strict stay at home measures with movement allowed for limited urgent purposes only if "absolutely necessary" and for one form of daily exercise, came into force on March 23 after a televised address by Boris Johnson.
World leaders gathered at the G7 Summit in Cornwall discussed the possibility that a laboratory leak in central China's Wuhan city may have a connection with the start of the COVID-19 pandemic, with the World Health Organisation (WHO) chief saying all hypotheses behind the origins of the deadly disease remain in play.
The UK cabinet is on Monday holding talks to consider options for tougher lockdown restrictions as the country recorded another daily high of Omicron cases at 12,133.
That a brown skinned man -- albeit one who speaks with a posh English accent -- would one day be the front-runner in a race to elect Boris's successor and head the party once led by Churchill and Thatcher would seem indigestible to the white men and women who have formed the trunk of the Conservative party for generations.
"The Prime Minister has been moved this evening [Thursday] from intensive care back to the ward, where he will receive close monitoring during the early phase of his recovery. He is in extremely good spirits," a Downing Street spokesperson said on Thursday.
Johnson said "formidable" challenges remain around the evacuation of British nationals and supporters from Kabul airport but the situation was getting "slightly better".
Two members of the small delegation accompanying External Affairs Minister S Jaishankar to the UK have tested positive for Covid-19, forcing him to rework his official schedule in London.
'It is because of our close relationship with the government of India that we are able to discuss difficult issues with them'
The US attacked China for its aggressive moves against its neighbours, including "instigating" a deadly confrontation with India in eastern Ladakh
London Mayor Sadiq Khan branded the clashes as unacceptable behaviour and called on the police to take action against the perpetrators.
In an accompanying vision statement, the former finance minister highlighted his track record of serving in the Cabinet, helping to steer the economy through the toughest of times with the COVID pandemic.
British Prime Minister Boris Johnson confirmed in a statement on Thursday that the European Union Withdrawal Agreement Bill has cleared its parliamentary stages and is now awaiting Royal Assent by Queen Elizabeth II before it goes on for EU ratification.
Johnson will be only the second British leader since Indian independence to attend the annual Republic Day parade in New Delhi as Guest of Honour, after former prime minister John Major in 1993.
Britain on Thursday warned that there was a 'very credible' report of an 'imminent' terrorist attack by the Islamic State terrorists targeting those gathering at Kabul airport in an attempt to flee war-torn Afghanistan.
Even before Boris Johnson stepped out of 10 Downing Street on Thursday to deliver his resignation speech as Conservative Party leader and triggering a leadership race for a new British prime minister, at least one Indian-origin candidate is already lined up to compete for the "best job in the world".
Sunak joins fellow Indian-origin candidate Suella Braverman, the UK Attorney General who is among the early Tory MPs to announce her plan to contest.
A Royal Air Force plane left Kabul airport on Saturday night and arrived at RAF Brize Norton in Oxfordshire, including with British ambassador to Afghanistan Sir Laurie Bristow who had been assisting the evacuation process.
Downing Street has not confirmed if Johnson had been allowed any visitors or seen Carrie Symonds, his heavily pregnant fiance, but said he had received many thousands of get well cards.