"Club officials attended an incident last night in Lyon. A group of around 50 people confronted fans. The situation was dealt with and arrests were made within the hour. Three fans sustained minor injuries and received prompt medical assistance.
"Spurs officials and stewards will be in the city throughout the day, along with match day French police ahead of kick-off."
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Police were called to a fight between two groups of people on the petrol station forecourt at Cobham services.
The force says the increased police presence should provide reassurance to the public - without affecting the spirit of the event.
Resident group Justice 4 Grenfell say they were not consulted and will raise concerns about the appointment at the highest level.