It's urging England fans to show full support to France when the teams meet in Tuesday's friendly at Wembley.
The game had been in doubt, but will go ahead as planned.
Denmark have given themselves a decent chance after the first leg of their Euro 2016 qualifying play-off.
The 1992 champions got a late away goal in their 2-1 defeat to Sweden.
Ukraine are in a strong position, having got past Slovenia 2-0 in their home fixture.
This evening, Hungary take a 1-0 lead into the second leg of their tie against Norway.
