Motherwell thrashed Ross County 5-0 in Dingwall on Tuesday night to move into the top six in the cinch Premiership.
Kevin van Veen hit a hat-trick, with Callum Slattery and Joe Efford also on target for Steven Hammell's side at the Global Energy Stadium.
In the cinch Championship, Cove Rangers beat Dundee 3-1 at Balmoral Stadium, helped by a double from Connor Scully early in the second half.
Second-placed Queen's Park missed the chance to go top of the table as they were beaten 2-1 by Greenock Morton at Ochilview.
Craig Johnston scored a late double as Montrose overcame Airdrieonians 4-2 at Links Park to climb to third place in cinch League 1.