British broadcaster Andrew Marr, who works for the BBC, has suffered a stroke.
The journalist and television presenter was taken ill on Tuesday (Wednesday NZT), the BBC said in a statement.
"The hospital confirmed he has had a stroke. His doctors say he is responding to treatment," it said.
His programmes, The Andrew Marr Show and Radio 4's Start The Week, will continue to be broadcast with guest presenters in his absence.
The statement added: "His family have asked for their privacy to be respected as he recovers.
"His colleagues and the whole BBC wish him a speedy recovery."
Marr is an acclaimed journalist, broadcaster and author.
He began his journalism career at The Scotsman newspaper in 1981 and become its political correspondent.
Marr was part of the team which launched The Independent in 1986 and worked eventually as its editor.
He has also worked for The Economist, The Express and The Observer. He joined the BBC in 2000 as the political editor.
Marr has also presented a number of history programmes and has had five books published.