UK Prime Minister Boris Johnson is in intensive care

(CNN) British Prime Minister Boris Johnson is in intensive care at St Thomas’ Hospital, in London, 10 Downing Street said.

"Over the course of this afternoon, the condition of the Prime Minister has worsened and, on the advice of his medical team, he has been moved to the Intensive Care Unit at the hospital," a spokesperson said in a statement.

Johnson was admitted to the London hospital last night with persistent symptoms of coronavirus, 10 days after first being diagnosed.