Irish border remains a Brexit hurdle, say EU sources

The UK cannot get a legally watertight transition deal until it resolves the status of the Irish border as part of a wider divorce settlement with the EU, sources have said, as Brexit talks move into an intense phase.Senior UK and EU officials are due to meet this weekend in Brussels, ahead of an EU27 Brexit summit on Friday, when Theresa May hopes to bag the transition deal that British business demands.While optimism has risen in recent days, British negotiators will be told they need to move