Leaders St Helens have suffered a rare defeat in Super League with a 42-0 thrashing at Catalans Dragons.
The hosts opened up an 8-0 lead at half time as unconverted tries from Vincent Duport and Michael Oldfield gave them a healthy advantage.
The Dragons then ran rampant in the second half as scores from Duport, Ian Henderson, Thomas Bosc, Daryl Millard and two more from Oldfield sealed the points.
Bosc added a further 10 points with the boot to give the home side a convincing victory.