Inverness Caledonian Thistle have topped the Scottish Premiership with a 2-1 win over St Johnstone.
The hosts scored twice in five minutes after Marley Watkins and Ryan Christie's second-half goals. Brian Graham pulled one back for the visitors but it wasn't enough to share the spoils.
Ross County are the only side in the league without a point after Adam Rooney opened the scoring for Aberdeen on 20 minutes. David Goodwillie doubled the lead six minutes later before Peter Pawlett added a third five minutes after the interval.
Elsewhere, Hamilton Academical were held to a goalless draw at home to Kilmarnock.
Results in full: Aberdeen 3-0 Ross County, Hamilton 0-0 Kilmarnock, Inverness 2-1 St Johnstone.
