Steve Shingler's late penalty snatched a dramatic 21-19 victory over Connacht on Sunday, sending Scarlets back to the top of the Pro12 table.
The Welsh region looked to be heading for their fourth Pro12 defeat of the season when Jack Carty dispatched a penalty through the posts with three minutes remaining at Parc y Scarlets to put the visitors 19-18 in front.
But there was to be one final twist, which came when Ronan Loughney was sin-binned for a tip tackle and replacement fly-half Shingler held his nerve to secure a win which puts Scarlets a point clear of Leinster.
Matt Healy raced away from his own 22 to score the only try of the first half which saw fourth-placed Connacht lead 10-3 at the break.
Steffan Evans went over out wide for the home side early in the second half and they were 18-13 in front when Michael Collins touched down 20 minutes from time.
Two Carty penalties swung the game back in Connacht's favour, but they were denied when Shingler had the final say from the tee.