Hibernian extended their lead at the top of the Ladbrokes Championship to eight points with a 1-0 win at Queen of the South.
John McGinn scored the only goal seven minutes after half-time as Neil Lennon's men claimed another important victory in their bid to return to the top flight.
Second-placed Dundee United were held to a 1-1 draw by Dunfermline Athletic at East End Park despite going ahead through Tony Andreu. John Herron equalised before half-time as the Pars extended their unbeaten run.
Third-placed Morton notched up an impressive 4-1 win away to Ayr United thanks to doubles from Ross Forbes and Gary Oliver. Jamie Adams netted for Ayr.
John Baird's double saw Falkirk beat bottom club St Mirren 2-1 in Paisley, with Rory Loy pulling one back for the Buddies.
Dumbarton moved to within a point of Raith Rovers after coming from behind to win 3-1 at Stark's Park. Ryan Hardie opened the scoring but Christian Nade, Daniel Harvie and Gregor Buchanan all netted for the Sons in the second half.
