Celtic stretched their lead at the top of the table with a 4-1 win at Dundee United.
Shunsuke Nakamura was the hero for Gordon Strachan's men with a superb hat-trick to inspire them to victory at Tannadice.
Dundee United stunned the leaders after just four minutes with Noel Hunt firing them in front.
Celtic struck back a minute before the break with a poked finish from Japanese ace Nakamura.
The SPL champions went in front three minutes after the restart with Nakamura netting his second goal of the contest.
Jan Vennegoor of Hesselink added a third on 52 minutes to put Celtic in firm control.
Nakamura completed his hat trick just before the hour mark with a superb curling finish to seal the win for the Bhoys.Rangers fell further behind Old Firm rivals Celtic after a shock 1-0 defeat to Inverness Caledonian Thistle at Ibrox.
Graham Bayne scored the only goal of the game on 71 minutes to pile the pressure on Paul Le Guen.
Motherwell climbed off the bottom of the table with a 2-1 victory over Dunfermline at Fir Park.
Scott McDonald fired Well in front just past the hour mark only for Stevie Crawford to level matters on 69 minutes.
David Clarkson grabbed the winner for the home side six minutes from time.
Kilmarnock leapfrogged Aberdeen in the table with a 1-0 win over the Dons at Rugby Park.
Gary Wales netted the all-important winning goal for Killie on 69 minutes.
Anthony Stokes' late strike earned Falkirk a 1-1 draw at home to St Mirren.
Billy Mehmet gave St Mirren the lead on 69 minutes, but Stokes ensured a share of the spoils with an 81st minute leveller.
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