Killian Brennan stole the show as St. Patrick's Athletic maintained their relentless run as they beat Limerick 3-0 at Richmond Park to stretch their lead at the top of the Premier Division table to six points.
Champions Sligo Rovers' slump continued as they slip to third after being held to a 0-0 draw at home by struggling Bohemians while Derry City beat bottom side Shelbourne 1-0 at Tolka Park to go second.
Meanwhile, Jason Byrne scored four times to break the 200 league goal mark as Bray Wanderers won a remarkable game at UCD, 5-4.
St. Pat's are now unbeaten in 13 league games, winning their last four without conceding a goal.
Brennan broke Limerick's resistance on 43 minutes when shooting home from outside the box after keeper Barry Ryan had parried with his legs when Christy Fagan had latched onto a poor back-pass from Stephen Folan.
Substitute Anto Flood got St. Pat's second goal on 57 minutes when running clear onto Brennan's sublime pass to take the ball round Ryan and slide it home from a tight angle.
Jake Kelly added the third goal deep in stoppage time from Sean Gannon's cross.
After his cousin Robbie Keane scored a hat-trick in Ireland's 3-0 win over the Faroe Islands the night before, Bray's Byrne maintained his incredible scoring flush, making it nine goals in his last three games as Bray won a big three points at the UCD Bowl.
Cillian Morrison put UCD ahead after just four minutes with Ismahil Akinade levelling ten minutes later.
Byrne got his first of the night on 42 minutes before scoring again in the first minute of added time at the end of the first half to bring him to the milestone 200 league goals mark, only the second player to have achieved the feat.
But the 35-year-old striker wasn't finished yet as he made it 4-1 on the hour mark to complete his hat-trick.
UCD rallied with David McMillan, from a 63rd minute penalty, and central defender David O'Connor, on 77 minutes, scoring to pull it back to 4-3.
But Byrne added his fourth on 84 minutes to kill off the UCD fight back, leaving Robbie Creevy's 92nd minute goal just a further consolation for the Students.
A first senior goal of his career for Michael Duffy proved the only score at Tolka Park as Derry beat Shelbourne. The win sees Derry leapfrog Sligo into second place while Shels are now eight points adrift at the bottom.
The goal came on 64 minutes when striker Rory Patterson held the ball up well before setting up defender Duffy to score with a rising shot that went in off the underside of the crossbar.
Bohemians move above UCD out of the bottom two as they earned a big point from a scoreless draw at Sligo.
Sligo midfielder Liam Martin had the best chance of the match when his eighth minute header from a Kieran Djilali cross came back off the crossbar.