Aides Had Denied Boris Johnson Was Seriously Ill

“The Guardian was told last week that Johnson was more seriously ill than either he or his officials were prepared to admit, and that he was being seen by doctors who were concerned about his breathing. But Downing Street flatly denied that the prime minister’s health had seriously deteriorated, and insisted there were no plans at that point for him to be admitted to hospital.”

The Times of London says Johnson has had to receive oxygen treatment to help his breathing.