Northern Ireland facing political uncertainty over replacing first minister

First Minister Arlene Foster (Liam McBurney/PA)

Northern Ireland is facing a week of political uncertainty amid an intensifying dispute over the process to replace departing First Minister Arlene Foster.

A stand-off between Sinn Féin and the DUP on the vexed issue of Irish language legislation has the potential to derail the powersharing institutions unless resolution is found in the coming days.