SALZBURG, Austria—EU leaders lined up to tell Theresa May she needs to give guarantees on the Irish border before they will grant her the Brexit deal the prime minister wants to avoid Britain crashing out of the bloc.
Arriving for a second day of summitry in Austria, May’s European Union peers rammed home their message on her plea for them to ease up on a “backstop” plan dealing with the border between the British province of Northern Ireland and EU member state Ireland.
