Broadcaster Andrew Marr is recovering in hospital after suffering a stroke, according to the BBC.
The journalist and television presenter was taken ill on Tuesday, the corporation said.
The BBC said in a statement: "Andrew Marr was taken ill yesterday and taken to hospital. The hospital confirmed he has had a stroke.
"His doctors say he is responding to treatment. His family have asked for their privacy to be respected as he recovers.
"We will continue to broadcast The Andrew Marr Show and Radio 4's Start The Week with guest presenters in his absence.
"His colleagues and the whole BBC wish him a speedy recovery."