Manchester United's Mason Greenwood and Manchester City's Phil Foden were dropped from the England squad after being caught sneaking girls into the Three Lions' quarantined team hotel.
Footage has emerged reportedly showing Foden and Greenwood bringing girls back to the team's hotel in Iceland, and the pair could now face disciplinary action.
Both players made their senior England debuts on the weekend, but could saw their accomplishments being overshadowed by their alleged actions.
According to the Daily Mail, players are under strict instructions amid the coronavirus outbreak to not put themselves or anyone else in danger, but these protocols appear to have been ignored by two of England's newest young stars.
"Unfortunately this morning it was brought to my attention that two boys have broken Covid guidelines in terms of our secure bubble," team boss Gareth Southgate said, as quoted by The Guardian.
"We had to decide very quickly that they couldn't have any interaction with the team. They wouldn't be able to travel to training.
"Given the protocols they have to follow, they have to travel back to England separately."
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Foden started for England in their 1-0 win over Iceland on Saturday, while Greenwood made his debut from the bench.
The video doing the rounds was published by Icelandic publication DV, and it appears to show both players in England gear in a hotel room with girls in their company.
Both Foden and Greenwood were absent from training on Monday morning following their actions, but Southgate refused to comment on their long-term futures in the Three Lions set-up without knowing all details.