Hibernian remain top of the Ladbrokes Championship on goal difference after a 2-0 home win over Dumbarton on Saturday.
Paul Hanlon and Brian Graham scored the goals for Neil Lennon's team at Easter Road as the Sons slipped to ninth in the table.
Title rivals Dundee United continued their good run with a 1-0 defeat of Ayr United at Somerset Park thanks to an early goal from Tope Obadeyi.
Third-placed Falkirk were held to a 2-2 draw by Queen of the South at the Falkirk Stadium. Myles Hippolyte bagged a double for the Bairns, with Stephen Dobbie and Derek Lyle on target for Queens as they ended their losing run.
Dunfermline are out of the relegation zone after a 2-1 victory over Morton at East End Park. Michael Moffat netted twice for the Pars before Aidan Nesbitt pulled one back.
Bottom club St Mirren earned their second win of the week, beating Raith Rovers 1-0 in Paisley with a goal from Lewis Morgan.
