Shamrock Rovers battled from behind to earn a 1-1 draw with champions Sligo Rovers at Tallaght Stadium.
Sligo took the lead when Daniel Ledwith poor attempted backpass to Barry Murphy was seized upon by David Cawley who coolly slotted past Murphy.
The Hoops equalised six minutes from time when Karl Sheppard headed home the leveller.
There was more bad news for Sligo when Anthony Elding was sent off for a lunge on Stephen Rice.
Two goals in the last five minutes helped Derry keep the pressure on Sligo with a 2-1 win over Limerick at the Brandywell.
Limerick drew first blood at the Brandywell when Shane Tracy's corner was met by Stephen Folan's header which flew past Ger Doherty.
It took until the 86th minute for Derry to equalise when Mark Griffin capitalised on a scramble in the box to spin and score,
Two minutes later they were in front when Rory Patterson deflected home a Barry McNamee effort and that's how it stayed.
Bohemians came from behind twice to claim a 2-2 draw with Drogheda at Hunky Dory Park.
Drogheda United got off to the perfect start as they earned a corner direct from the kick-off, it was taken short to David Cassidy who found Michael Daly and his header flew past the hapless Dean Delaney.
Bohs scored a controversial equaliser seven minutes before the break when Dwayne Wilson appeared to control the ball with his hand before firing to the net.
Parity only lasted three minutes as the Drogs reclaimed the lead through Paul O'Connor's tap-in after his initial header was cleared off the line.
Bohs equalised for a second time after the break when Andy Mulligan embarked on a great run and his shot was parried into the path of Ryan McEvoy who couldn't miss and they held on for a point.
St Patrick's Athletic remain in third place in the Airtricity League after an impressive 2-0 win at Turner's Cross.
Pats controlled the opening quarter of the game and hit the front on 22 minutes when Anto Flood expertly glanced home Chris Forrester's inviting cross.
Greg Bolger doubled Pats advantage on 48 minutes and they never looked like relinquishing their lead.
Shelbourne recorded their first win of the 2013 Airtricity League season with a hard-fought 2-0 win over UCD.
Neither side were dictating things early on but it was Shels who took the lead through Adam Hanlon on 26 minutes when his 25 yard drive nestled in the bottom corner.
Shels doubled their lead 12 minutes after the break when Stephen Hurley's beautifully timed volley flew into the top corner and they held on for a much-needed three points.
Bray Wanderers are now propping up the table after suffering a 1-0 defeat to Dundalk at the Carlisle Grounds.
After a drab first half where both sides rarely threatened, Dundalk hit the front when Darren Meenan's corner was headed to the met by Pat Hoban and Pat Devlin's men couldn't find an equaliser.