Irish prime minister says border controls could return if Britain exits EU

Enda Kenny urges Irish voters in Britain to back remain campaign as pro-EU group launches bid to mobilise Irish votersThe Irish prime minister, Enda Kenny, has raised the prospect of border controls being reimposed between Northern Ireland and the Republic as he directly appealed to hundreds of thousands of Irish people living in Britain to vote to remain in the EU.Risking the wrath of leave campaigners by becoming the third foreign leader after Barack Obama and the Japanese prime minister, Shin