Labour Party support has shown a decline in separate political opinion polls published on Sunday.

According to a Millward Brown poll for the Sunday Independent, the Labour Party is on 6 per cent (a fall of 2 percentage points) while their coalition partners Fine Gael have gained four points to 29 per cent, when don't knows are excluded.

The Millward Brown poll was carried out between June 16th and 19th and the results are compared to a previous poll in April this year. The margin of error is 3.1 per cent.

The strength of the other parties was: Fianna Fail 23 per cent, a rise of 4 points; Sinn Fein on 21 per cent down 3 percentage points; The Labour Party on 6 per cent, the Green Party on 1 per cent, down 2 points, and Independents and Others unchanged on 20 per cent.

Within this grouping are the Socialist Party on 2 per cent, Renua Ireland on I per cent, and People Before Profit also on 1 per cent.

If the results were reflected in a general election result it suggests the current Coalition would struggle to be returned without a third party.

The monthly Red C tracking poll for The Sunday Business Post has Labour on 7 per cent, a fall of 3 points. It's poll suggests Fine Gael support is unchanged at 28 per cent, Sinn Fein down three points on 18 per cent and Fianna Fail up 1 point to 20 per cent.

The most significant gains were for Independents and others which showed a 5 point rise to 27 per cent.

This poll was conducted last Monday, Tuesday and Wednesday.