England players Manu Tuilagi and Denny Solomona have been sent home from a training camp over "team culture issues".
The Rugby Football Union did not comment further but the issue is thought to be alcohol‑related.
The pair who trained on Saturday and Sunday, are understood to have gone out on Sunday evening and contravened the team's cultural standards.
A three‑day training camp at Teddington, Middlesex was due to finish yesterday.
England head coach Eddie Jones said last week he would be prepared to pick Tuilagi 26, as early as the autumn internationals in November.
The Samoa‑born Leicester centre has not played for England since March 2016, and has been out of action since January because of a knee injury.
He has a history of disciplinary issues and was left out of England's 2015 World Cup squad after being fined for assaulting two female police officers.
Sale Sharks winger Solomona controversially switched from rugby league to union last year.
The 23‑year‑old who was born in New Zealand, scored the winning try on his England debut against Argentina in June.
Meanwhile England will host Australia, Argentina and Samoa at Twickenham in their November international fixtures.
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