Sinn Fein are to table a motion of no confidence in the Government next week - right before the Dáil is due to rise for the summer.
It comes after Fine Gael’s Joe McHugh resigned the Fine Gael Party whip last night, leaving the Government with 79 TDs, which is one short of what is required for a clear majority.
A Sinn Fein spokesman said: “This is a government that has now lost its parliamentary majority, and is failing to tackle the cost of living and housing crises.