Sky Sources: DUP met Government this morning said signing any Brexit commitment for NI to stay in Single Market, Customs Union or regulatory equivalent “would be deeply destabilising to the confidence and supply agreement” - more on @skynews now
DUP piling on the pressure for the PM not to give way to EU/Irish red line for a written commitment to regulatory convergence to avoid a hard border
Clearly DUP are seasoned negotiators and others may argue that there is no way they would pull plug on Government and allow an election that could bring Corbyn to No 10, but they are concerned about accounts of compromise
Full statement from DUP Leader Foster emphasises confidence that May will not accept any of this on the table with Juncker: 
And then there is this:
So the question is - can the PM do enough to stave off an Irish veto of second phase talks, without “destabilising the confidence and supply deal” with DUP? A fudge on convergence? - needed within the week, if possible.
