Scottish round-up: Dutch striker Jan Vennegoor of Hesselink netted the winner on his Celtic debut as the champions came from behind to defeat Hibernian 2-1 at Parkhead.
Scott Brown fired Hibs ahead after eight minutes following a fine run and pass from Moroccan midfielder Merouane Zemmama.
Celtic surged back with two goals inside four second half minutes. Polish striker Maciej Zurawski levelled on 62 minutes, then substitute Venegoor of Hesselink, who joined from Dutch champions PSV Eindhoven on Thursday, hit the winner in front of 58,078 fans.
Celtic top the standings on goal difference with 10 points from five games. Hearts also have 10 points after thrashing Inverness Caledonian Thistle 4-1.
A second-half Scott Severin header saw Aberdeen bounce back from their humiliating loss to Queen's Park in the CIS Insurance Cup in midweek to defeat Dunfermline 1-0 and move into third.