Partick Thistle beat Inverness Caledonian Thistle 4-1 in Friday's cinch Championship match at Firhill to go top of the table.
Brian Graham scored twice in the first half then Kevin Holt (penalty) and Anton Dowds struck after the break for Ian McCall's men.
George Oakley pulled one back in stoppage time for the visitors, who were unbeaten going into the game.
