Henley Hawks were brought down to earth with a 48-3 defeat at Rosslyn Park in National 2 South.
Having won three out of their last four games, Hawks were well-beaten by their promotion-chasing hosts.
Henley took the lead with a fourth-minute penalty from fly half Will Fulton, who soon had to leave the field with a leg injury.
Rosslyn Park were 27-3 ahead by half-time thanks to tries from Rob Jewell, James Strong and former Hawk Johnny Barrett, with Ross Laidlaw converting all three and adding two penalties.
The hosts scored three more tries in nine minutes after the break, full back Richard Davies bagging a brace and Strong notching his second, Laidlow converting each one.
Park had prop Brett Williams sin-binned for not realeasing in the tackle, but Henley could not take advantage.
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