downing street
Other countries, including the US, France and India, have also imposed testing.
Groups of seriously-ill youngsters from the Dreams and Wishes charity have been making Christmas trips to Westminster for 30 years.
The move shows the Tory civil war is far from over.
Rishi Sunak's spokesman said the NHS was "well prepared" to deal with situations like this.
There is “no question whatsoever” of the UK reopening the “fundamental tenets” of Boris Johnson's deal, he said.
“I don’t recognise this story at all," Steve Barclay said.
He is accused of telling a senior civil servant to “slit your throat” and to “jump out of the window”.
Notably absent from her speech? An apology, much like Boris Johnson's farewell.
Former chancellor Rishi Sunak looks like he is heading to No.10.
The British government has issued guidance on how the public and businesses may choose to mark the death of Queen Elizabeth II.