Will fight 'heart and soul' for Brexit deal: May's open letter to Britons

UK PM, who hopes to seal the deal in Brussels today, faces a daunting challenge winning parliament support, members of her own cabinet and EU diplomats are secretly working on "plan B" proposals

British Prime Minister Theresa May has written a "letter to the nation" vowing to campaign with "heart and soul" for her Brexit deal once EU leaders sign off on it this weekend.

May, who hopes to seal the divorce agreement and outline of future ties with Europe at a Brussels summit Sunday, faces a daunting challenge winning the support of Britain's parliament.

The Sunday Telegraph reported that members of her own cabinet and EU diplomats are secretly working on "plan B" proposals, fearing lawmakers will reject the current deal.

But in the letter published in several newspapers, May insisted her