Keir Starmer, the U.K. Labour Party's Brexit spokesman, said it would be "inevitable" that the opposition party would move for a no-confidence vote against Prime Minister Theresa May if a vote in Parliament on her Brexit deal fails later this month, per the AP.

Details: Both May and top European Union officials have presented her deal as the only possible option, meaning that the United Kingdom would face the possibility of a "no-deal" Brexit should the vote fail, which May's own chief economic minister said last week would involve dire economic consequences.

Go deeper: Theresa May fights for her Brexit deal, and her political future