Northampton Saints could face a fine for allowing George North to play for Wales in this weekend's match against Australia.
North has a clause in his Saints contract which allows him to play in all Wales Test matches, but Saturday's game falls outside the official window for autumn internationals.
Premiership Rugby will now investigate Northampton's decision to release him.
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Just shy of 18,000 fans turned out to watch some of their former heroes roll back the years in a charity football game at Carrow Road.
Every train run by the UK’s busiest franchise, Govia Thameslink Railway was rescheduled from Sunday.
Mainly dry and often sunny but low cloud and mist may affect coastal areas, especially at first. Isolated thundery showers possible later