Aberdeen stay second in the Ladbrokes Premiership thanks to a 1-0 win over Partick Thistle at Pittodrie on Wednesday night.
Adam Rooney got the only goal after 61 minutes as the Dons cut the gap on leaders Celtic to eight points and Thistle dropped to the bottom of the table.
Danny Wilson and Alfredo Morelos both scored in the second half as third-placed Rangers saw off Motherwell 2-0 at Ibrox. Hibernian are now unbeaten in nine Edinburgh derbies after they drew 0-0 with Heart of Midlothian at Tynecastle.
Ross County and St Johnstone drew 1-1 at the Global Energy Stadium - Denny Johnstone scored early on for Saints but Alex Schalk's penalty ensured a share of the spoils as the Staggies moved off the foot of the table on goal difference.
The match between Hamilton Accies and Kilmarnock was postponed.