Shamrock Rovers dropped three more points in the SSE Airtricity Premier Division title race last night.
They had Dylan Watts sent off as they fell to a 1-nil defeat away to Dublin rivals Bohemians.
Liam Burt scored the game's only goal 18-minutes from time.
Derry City closed the gap on Rovers to four-points - albeit having played a game more - with a 3-nil win at home to UCD.
Dundalk and Shelbourne drew a blank at Oriel Park.
While Finn Harps had Liam McGing sent off as they fell to a 2-1 defeat away to St. Pat's.
This evening, Sligo Rovers welcome Drogheda United to the Showgrounds.