Above is the tweet that scuppered an historic “no border” deal with Ireland on Monday. Tony Connelly is the widely respected RTE journalist covering Brexit – British journalists have recently discovered his output and it now often underlies a lot of their “reports from Dublin”. At 11:16 he tweeted that he had seen a draft text promising ‘no regulatory divergence’. This spooked the DUP, who had been promised a form of words that would satisfy them that as Downing Street had reiterated that morning: “The UK is leaving the EU as a whole. The territorial and economic integrity of the UK will be protected.”

This tweet ricocheted around the media, Remain-leaning journalists went hyperbolic, some claiming that this meant Northern Ireland was staying behind in the single market, others claiming this meant the whole of the UK was not really leaving the EU’s regulatory regime. With broadcasters starved of developments, because May and Juncker were lunching behind closed doors, they continued to pile up punditry of this kind. All this was despite RTE’s Tony Connelly having tweeted a corrective only four minutes after the first tweet that the phrase, as anathema to Brexiteers as it is to the DUP, had been replaced by “continued regulatory alignment”.

Meanwhile Irish Taoiseach Leo Varadkar, waiting impatiently before the Dublin media at a pre-scheduled press conference, unwisely claimed that the wording was basically the same either way. It isn’t. The DUP – never the most trusting when Westminster is dealing with Dublin – unsurprisingly pulled the plug. Who failed to keep the DUP in the loop…