The head of Germany’s Federal Office for the Protection of the Constitution, Hans-Georg Maassen, made the remarks in an interview with the Rheinische Post newspaper on Friday, adding that he has no hard evidence on where or when the attack is set to happen.
“We know that Daesh has the European Championship in its sights,” Maassen further said, adding that "there was quite a lot of background noise, an elevated number of indications that Daesh, al-Qaeda terror group, or its Syrian affiliate Nusra Front wanted to launch terrorist acts against Western targets."
The comments came after France's spy chief said ISIL terrorists were planning a campaign of bomb attacks on large crowds in France.
It is expected that some 2.5 million spectators will gather for 51 soccer games involving 24 teams at the tournament, which is scheduled to begin on June 10 and will last for a month.
On November 13, ISIL launched a series of attacks in Paris killing some 130 people; FNA reported.
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