Hans Blix, who has not been called to give evidence to Sir John Chilcot's inquiry, said his team had grown suspicious of the quality of intelligence pointing to Saddam Hussein having WMDs.
The United Nations' former chief weapons inspector in Iraq said he had cautioned Tony Blair the month before the 2003 invasion about the possibility that no weapons of mass destruction (WMD) would be found.
Hans Blix, who has not been called to give evidence to Sir John Chilcot's inquiry, said his team had grown suspicious of the quality of intelligence pointing to Saddam Hussein having WMDs.