Pressure is mounting on Fianna Fáil to declare whether it will support the Government, in a motion of no confidence this week.

Sinn Fein is to bring the motion forward over the Government's handling of the Garda whistleblower controversy.

It comes as a new Sunday Times opinion poll today shows Fianna Fail with an 11-point lead over Fine Gael - which has seen its popularity drop by 2 points to 21.

Social Democrats TD Roisin Shortall says it will be an interesting week for Micheál Martin's party: