French police claim one Briton has seriously been injured in an attack started by Russian fans at the Euro 2016 championships in Marseille, France on Saturday.
According to the report, a number of England fans were taken to hospital in France following a series of clashes between football supporters in England's 1-1 draw with Russia at the Euro 2016.
The clashes between the rival supporters and police had broken up for the last three days in Marseille.
The report monitored on BBC saw Russia fans appear to rush at England supporters with flares let off by the Russian near the end of the game.
Scared English fans tried to escape the attack by frantically climbing over the perimeter fence.
Vitaly Mutko Russia's sports minister said on Sunday: "We will have a fine from Uefa, so I understand. We behaved incorrectly," R-Sport news agency reported.
Mutko added that Russian officials would investigate the "many nuances" that happened.
Ned Ozkasim, from London, who was in the stadium, told the BBC: "There was a large explosion, and after the Russian goal they started invading the area where some England fans were.
"I didn't see any retaliation from the England fans - they were just trying to get away. There were no riot police at the grounds as we expected. There were just stewards in hi-vis, and they just let it happen."
Another England fan said: "There were some Russian fans who got same flares in. They were lighting them, there was a loud bang, and then you saw the line of Russian fans... just charging across at the England fans.
"I saw a flare going into the England section or mixed the section. But all England fans just ran across, and as soon as the fans started running everyone ran."
Police are said to have failed to protect fans in and outside the stadium as the situation overwhelmed them.
Some British journalists pointed fingers at a gang of black-clad Russians, who they said had entered the port city's main square from a side street apparently seeking violence.
UEFA said it: "firmly condemns the incidents in Marseille … people engaging in such violent acts have no place in football".