Exeter Chiefs scrum-half Will Chudley has been cited for kicking out at Joe Launchbury during his side's 34-23 Premiership semi-final win over Wasps on Saturday.
Chudley will appear before an RFU disciplinary panel on Tuesday evening and faces being banned from next weekend's final against Saracens if he is found guilty.
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Chudley's boot appeared to catch the head of Launchbury as he tried to dislodge the ball from a ruck during the second half of Saturday's historic win for his club.
The Chiefs star was later named man of the match but video evidence of the incident prompted RFU officials to act, with Chudley's hearing set for Bristol at 19.30 on Tuesday.