UEFA have warned the Football Association that England face disqualification from Euro 2016 if their fans continue to cause damage and destruction in France.
The statement comes only hours after the governing body or European football announced an investigation into the actions of Russian fans following a 1-1 draw between the two countries in Marseille's Stade Velodrome.
Scenes of violence spread across the Internet on Saturday as fans from both countries caused trouble in the city centre. However, violence was captured on live television cameras and broadcast internationally when tensions boiled over following the final whistle.
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It is the kind of trouble that many believed was consigned to the history books and now UEFA have warned that the continuation of this behaviour will not be tolerated. The have urged the FA and the Russian Football Union to tell their fans to stop causing trouble or face elimination.
In a statement, UEFA expressed “its disgust for the violent clashes which occurred in the city of Marseille.
“Such unacceptable behaviour by so-called supporters of the national teams of England and Russia has no place in football, a sport we must protect and defend.
“The Uefa Executive Committee has warned both football associations that – irrespective of any decisions taken by the independent disciplinary bodies relating to incidents inside the stadium – it will not hesitate to impose additional sanctions on the Football Association and the Russian Football Union, including the potential disqualification of their respective teams from the tournament, should such violence occur again.
“We urge both the FA and the RFU to appeal to their supporters to behave in a responsible and respectful manner.
“We would also like to publicly voice our support for the work of the French Authorities and security forces for their efforts to deliver a safe and secure tournament in challenging circumstances.”
Russia's next game against Slovakia will see those same fans travel to Lille while England will take on Wales in nearby Lens. As a result, police have been warned to expect more confrontations.
Not only that but England fans without tickets had been advised to enjoy the tournament in Lille, which is close to the Channel, meaning many England fans are already in the city.