Sinn Fein's suffered a two-year slump in a new poll out today.

A Sunday Business Post / Red C poll shows the party is down 5 points to 29 percent - it's lowest level in a Red C poll since September 2021.

It still holds it's place as the most popular party, but the gap has narrowed, with Fine Gael up 2 points to 22 percent - and Fianna Fail up a point to 16.