Latest: Irish Language Act hinders breakthrough hopes in Stormont powersharing talks

Latest: The prospects of an imminent breakthrough in powersharing talks at Stormont appear to have receded after an impasse over the Irish language deepened.

Update 7.50pm: The prospects of an imminent breakthrough in powersharing talks at Stormont appear to have receded after an impasse over the Irish language deepened.

The Democratic Unionists and Sinn Féin set out public positions on Tuesday that suggested a meeting of minds on the crucial Stormont sticking point was still a long way off.