Johnson spent the night in intensive, gets support from world leaders

Downing Street said he had moved with his medical team's advice and was receiving excellent “attention”.

Johnson has asked Foreign Secretary Dominic Raab to represent “ate where necessary” is, a spokesman added.

The prime minister, 55, was admitted to the hospital with the “continuous symptoms” on Sunday evening.

Meanwhile, the Queen is being kept informed of Johnson's health, according to Buckingham Palace.

World Leaders including US President Donald Trump and French President Emmanuel Macron have expressed their support for Johnson.

Trump said Americans “are all praying for his recovery”. He described Johnson as “a very good friend of mine and a friend of our nation” which is the strong “” and “does not give up”.

Macron said Boris Johnson has his support and his family and British people at this difficult moment.

BBC political correspondent Chris Mason said the prime minister was given oxygen on Monday afternoon before going into intensive care.

He moved in intensively as a precaution so that he could be close to a ventilator for the breathing process.