Ireland centre Bundee Aki has apologised after he "mistakenly liked" a homophobic social media post by Israel Folau.
Ulster and Ireland captain Rory Best has confirmed he will retire from rugby when his contract expires after the World Cup in Japan.
Leinster have confirmed that Ireland flanker Dan Leavy will miss the World Cup after suffering a "complex knee ligament injury".
The Hong Kong Sevens continues this weekend, live on Sky Sports Action, with England seeking to build on a good start.
Ireland captain Rory Best hopes to return from his ankle injury before the end of the season.
Former Ireland captain Paul O'Connell will leave his role as Stade Francais forwards coach at the end of the season, the French club have confirmed.
Joey Carbery has signed a two-year contract extension with Munster and the IRFU that will keep him at the province until 2022.
Wales will begin the defence of their Six Nations title, under the leadership of new coach Wayne Pivac, against Italy next February.
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