Falkirk moved to within six points of Ladbrokes Championship leaders Hibernian with a 4-1 win at Ayr on Saturday.
Nathan Austin scored twice and Craig Sibbald and Fraser Aird struck late on after Gary Harkins had pulled one back.
Morton moved up to third place with a 1-0 win over Queen of the South at Cappielow thanks to a 55th-minute goal from Ross Forbes.
Dumbarton leapfrogged Raith Rovers with a 4-0 victory at the Cheaper Insurance Direct Stadium. Robert Thomson bagged a double and Sam Stanton and Garry Fleming were also on target for the Sons.
Bottom club St Mirren drew 0-0 with Dunfermline Athletic at the Paisley 2021 Stadium.