The British Prime Minister will tell EU leaders today that the Brexit divorce deal must be rewritten to protect the Union.
It's understood Boris Johnson will say the agreement never made any sense and is 'contradictory' on Northern Ireland.
British and EU negotiators will begin three days of talks in London this afternoon,.
They've been described as make-or-break, with the transition period due to end in December.
Kerry Fine Gael MEP Seán Kelly says it's unlikely there'll be a trade agreement between both sides: