England prop Joe Marler has been cited for allegedly striking Rob Evans in Saturday's Six Nations victory over Wales at Twickenham.
Marler could yet face disciplinary action after calling Wales tighthead Samson Lee a "gypsy boy" during the match - a comment he subsequently apologised for.
Regardless of the outcome of an investigation into that matter, the Harlequins front-rower now faces a potential ban over an incident that saw him appear to punch Evans as Dan Cole attempted to go over for a try in the first half.
Wales' Tomas Francis had already been cited on Sunday for "allegedly making contact with the eyes or eye area" of Cole, with news of Marler's citing following on Monday.
A statement on behalf of the Six Nations read: "The citing commissioner continued his review of the match overnight and considered that the incident in the 15th minute involving Mr Marler should also be the subject of a citing (the relevant disciplinary rules provide that the deadline for citing complaints is ordinarily 48 hours after the end of the match in question)."
Marler will face a disciplinary hearing later this week, with any ban set to rule him out of his country's final Six Nations game against France, which will see England aim to complete a first Grand Slam since 2003.