Final poll before election day shows three main parties neck and neck

(left to right) Tanaiste and Fianna Fáil Leader Micheál Martin, Sinn Féin leader Mary Lou McDonald and Taoiseach and Fine Gael leader Simon Harris Niall Carson/PA Wire

The general election has narrowed again, with the top three parties now neck and neck in the final opinion poll.

A RedC/Business Post poll published this evening shows that Fianna Fáil leads the way - narrowly up one point to 21% - with Fine Gael down two to 20%, and Sinn Féin up two points to 20%.