Championship leaders Hearts came from behind to beat Queen of the South 2-1 at Palmerston on Saturday.
Danny Carmichael gave the home side the lead but Billy King equalised before half-time and Genero Zeefuik scored a late winner to send Robbie Neilson's men 20 points clear.
Hibernian are up to second place after a 3-0 home win over Dumbarton - Dominique Malonga grabbed a double after Franck Dja Djedje had opened the scoring.
Falkirk gave their play-off hopes a boost by beating bottom club Livingston 2-0, courtesy of early goals from Kieran Duffie and Will Vaulks.
Alloa leapfrogged Cowdenbeath to move out of the relegation zone thanks to a 2-0 win at Central Park. Mark Docherty and Kevin Cawley scored in the second half for Barry Smith's team.
.png){kind=logo}
