Portugal boss Fernando Santos says the presence of Cristiano Ronaldo could see his team being a target for terrorists at Euro 2016.
Last year, in November, a terror attack broke out in Paris that left 130 people died, with three suicide bombers striking near the Stade de France. The country is still in an official state of emergency and security will be high during the Euros.
There has been a warning from US State department that there could be attacks at venues near stadiums while Paris police force wants to reduce fan zone plans for the tournament.