Three Tottenham fans have reportedly been taken to hospital after a group of up to 50 masked thugs attacked a pub in Lyon.
Eyewitnesses say the attackers smashed doors and threw objects.
Around 150 Spurs fans were inside, ahead of their team's Europa League match tonight in the French city.
More top news
The 34-year-old from Coulsdon in Surrey died during the private party in Headley in the early hours of Monday, Surrey Police said.
The Home Office made the arrests at various restaurants across London on July 4.
Mayor of Newham Sir Robin Wales criticised the International Olympic Committee on the fourth anniversary of the opening ceremony.