Dominic Grieve has called for Theresa May's Brexit deal to be taken to a public vote to break the Brexit "logjam".
The Conservative MP appeared on the breakfast show in the wake of Speaker John Bercow ruling out a third Commons vote on the Withdrawal Agreement if the motion is substantially the same as last time.
"We are in a crisis. The government can't get its deal through the House of Commons and the clock is ticking," he told talkRADIO's Julia Hartley-Brewer.
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Grieve called for a second referendum to solve the impasse, with voters given the option of the Prime Minister's deal or the alternative of remain.
"I've said for many months my advocacy of a second referendum is to break the logjam," he said.
"If people want to leave on the Prime Minister's terms then they can have an opportunity to vote for it, and so the logjam in Parliament which is preventing it going through could be bypassed."
Despite advocating for a second referendum, Grieve maintained his position that leaving the EU "is a mistake".