Latest: Parties have 'basis of an agreement' for powersharing, says Theresa May

Latest: British Prime Minister Theresa May has urged Stormont's leaders to make one final push to strike a deal to salvage powersharing in Northern Ireland.

Update 7.31pm: British Prime Minister Theresa May has urged Stormont's leaders to make one final push to strike a deal to salvage powersharing in Northern Ireland.

After holding talks with the Democratic Unionists and Sinn Féin in Belfast, Ms May insisted there was the basis of an agreement to end the 400-day political impasse and she expressed confidence a devolved executive would be "up and running very soon".