Raith Rovers remain top of the Ladbrokes Championship on goal difference after beating Dunfermline Athletic 2-0 at Stark's Park.
A crowd of more than 5,000 saw Gary Locke's men come out on top in the Fife derby with goals in the last 20 minutes from Bobby Barr and Mark Stewart.
Jason Cummings bagged a first-half double as second-placed Hibernian saw off St Mirren 2-0 at the Paisley 2021 Stadium.
Queen of the South continued their strong start to the campaign by beating Falkirk 2-0 at Palmerston with a double from Stephen Dobbie.
Dundee United earned their first Championship win as goals from Simon Murray, Jamie Robson and Willo Flood saw bottom club Ayr United go down 3-0 at Tannadice.
Morton and Dumbarton drew 1-1 at Cappielow, with Kudus Oyenuga earning the hosts a point after an own goal from Derek Gaston.