A fourth goal of the season from Jordan Gibson secured a first win in four games for Sligo Rovers tonight.
Liam Buckley’s side survived the sending off of Garry Buckley to beat Dundalk 1-0 at Oriel Park.
The win moves Sligo to within four points of leaders Shamrock Rovers, but with a game more played.
An injury time strike from James Akintunde salvaged a 1-1 draw for Derry City at home to Longford Town.
UCD are the new leaders in the First Division.
They turned a 2-1 half-time deficit into a 3-2 victory at home to Treaty United.
Just goal difference separates the Students from Shelbourne, who beat previous leaders Athlone 1-0 at Tolka Park.
Cabinteely were 1-0 winners at home to Cobh Ramblers.
Cian Murphy and Beineon O’Brien Whitmarsh each scored twice as Cork hammered Wexford 5-0.
While Galway and Bray drew 1-1.