Brexit plan to keep Northern Ireland in customs union triggers row

Officials from the UK and EU are drawing up a plan to in effect keep Northern Ireland in the customs union and the single market after Brexit in order to avoid a hard border.The development, first reported by the Guardian on Friday and later confirmed by the EU’s chief negotiator, Michel Barnier, triggered an immediate row.Scotland’s first minister, Nicola Sturgeon, tweeted: “If NI stays in single market, the case for Scotland also doing so is not just an academic ‘us too