The Foreign Office has called on British football fans to be "vigilant" due to the high risk of terrorist attacks at Euro 2016.
The tournament will get underway this Friday in France, seven months after the country mourned the deaths of 130 people, who were killed by terrorists in the city of Paris.
On Monday, Ukraine's intelligence agency SBU confirmed that a Frenchman's plot to carry out 15 attacks during the European Championships was foiled.
Now, the Foreign Office has warned fans travelling across the Channel to be on their guard due to a high risk of terrorism.
A statement read: "During Euro 2016, stadiums, fan zones, venues broadcasting the tournament and transport hubs and links represent potential targets for terrorist attacks.
"You should be vigilant at all times, especially in areas hosting Euro 2016 events, and follow the advice of local French authorities."
Hosts France will kick off the tournament against Romania on Friday.
