Zlatan Ibrahimovic scored a hat-trick on his return from injury as French champions Paris St-Germain thrashed Ligue 1 rivals St Etienne.
A farcical own goal by away keeper Stephane Ruffier, who failed to control a routine backpass and allowed the ball to roll in, set PSG on their way.
Ibrahimovic doubled the lead just before half-time with a firm header.
He intercepted a backpass for the third, then completed his treble after Edinson Cavani curled in a fourth.
Laurent Blanc’s men have taken eight points from their opening four matches, two adrift of early leaders Bordeaux.
PSG skipper Zlatan Ibrahimovic comforts St Etienne keeper Stephane Ruffier after his mistake
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Source: BBC Sport