The latest Sunday Independent/Millward Brown opinion poll suggests that support for both Fianna Fáil and Fine Gael is falling.

The survey estimates support for Fine Gael standing at 27% - a drop of two points. 

Fianna Fáil is down three points to 25%. 

Sinn Féin is at 21% cent with Independents and others up three points to 18%.

The Labour Party remains at 8% for the third poll in a row.