Goals from Gavin Peers and Aaron Greene earned champions Sligo Rovers a 2-0 win at Bohemians to move them to within five points of leaders St. Patrick's Athletic who were held to a 0-0 draw at Limerick.
Peers struck for the opening goal on 16 minutes when powering home a header from Kieran Djilali's corner.
A fine counterattack brought Sligo their second goal on 59 minutes. Anthony Elding and David McMillan were involved to set up Greene to shoot home past Dean Delany.
A timely interception by defender Ger O'Brien and a fine save by St. Pat's 'keeper Brendan Clarke from Craig Curran kept Limerick out in the first half at Thomond Park.
Daryl Kavangah wasted a good chance for Saints early in the second half when blasting over the bar.
Conan Byrne then came within inches of winning it for the league leaders when shooting against a post in stoppage time.
St. Pat's are now three points clear of second-placed Dundalk who meet Drogheda United in the Louth derby at teatime on Sunday.
Gary McCabe scored a well-taken brace as Shamrock Rovers won 2-1 for the second week running in taking all three points against Cork City at Tallaght Stadium.
McCabe struck for the opener on nine minutes, collecting Tommy Stewart's pass in the box to score from close range.
Winger McCabe, playing in a role behind striker Stewart, was there again to run through onto skipper Shane Robinson's pass and show good composure to sidefoot past Mark McNulty for Rovers' second goal on 23 minutes.
Cork were better in the second half with defender Garry Buckley heading home Ian Turner's corner.