Celtic extend their lead at the top of the Scottish Premiership table . James Forrest scored the opener for the visitors before Stefan Johansen made sure of 21 points from the penalty spot . St Mirren remain bottom of the league table with three points .
Celtic extend their lead at the top of the Scottish Premiership table . James Forrest scored the opener for the visitors before Stefan Johansen made sure of three points from the penalty spot . St Mirren remain bottom of the league table with 21 points .