Sunday 12 June 2016 11:37, UK
Two England fans are reportedly in a critical condition after several clashes with Russian and French rivals, as well as police, on a third day of disorder in Marseille.
Images and video footage show England supporters in savage fights with fans in Marseille shirts and Russian-speaking men, while police attempt to disperse the battles with tear gas and a water cannon.
French paper L'Equipe reported that two England fans were in a critical condition after the running battles in the square and on side streets on Saturday afternoon, with a further 11 receiving minor injuries.
There were also confrontations between Russian and English supporters inside the Stade Velodrome after the two sides drew 1-1 in their opening Euro 2016 fixture.
UEFA will open a disciplinary case against Russia for the scenes insides the ground after the final whistle.
One English fan was seen covered in blood with a bandage around his head, while another man was reportedly given CPR and taken to hospital after an apparent cardiac arrest.
Regional police chief Laurent Nunez has told French media that five people have been wounded and six people arrested, stating they had been forced to intervene after fighting broke out between rival fans.
But a spokesman at La Timone Hospital said around 20 England fans were being treated there, along with a number of Russians.
Sky Sports News HQ reporter Gary Cotterill said: "It appears to me that it's groups of Russian fans instigating attacks on England fans and then retreating.
"England fans were just enjoying the city and the atmosphere, it has to be said, before people just started running away from something going on.
"Skirmishes kept breaking out, with Russian fans, English fans and French fans trying to get away from the trouble, with some fans visibly in Marseille shirts. The process was repeated several times over a period of 45 minutes."
British newspaper reporters have said that England fans have been set upon by a highly organised and brutal Russian hooligan gang.
The Daily Mirror's chief news reporter Andy Lines tweeted: "They looked for English fans to fight but no one would take them on. They then chased English everywhere. It's terrible. The Russian gang emerged from a side street and walked into main square."
It was reported earlier this year that rival domestic Russian hooligan gangs were preparing to unite and "obliterate" England supporters when they met in Marseille.
Sky sources revealed on Friday that UK police officers met their French counterparts to discuss policing around Saturday's Group B clash between England and Russia at the Stade Velodrome, and there was some concern that British advice on controlling fans was ignored.
On Friday night, trouble flared for a second time and officers were forced to separate rival fans in the Vieux Port area. On that occasion, riot police marched towards hundreds of England fans who ran down the street and threw bottles at officers, who used tear gas to disperse them.
Sky Sports News HQ has also been given footage that appears to show an attack by Marseille locals on a group of unsuspecting England fans sitting at a bar away from the main city centre.
UEFA says it "firmly condemns the incidents in Marseille".