Of course, it has been clear that Europe is a target since the Madrid and London bombings. "Germany: Islamist terror threatens Europe, Israel," from [1] Reuters, with thanks to Sr. Soph:

"In spite of numerous successful hunts for terrorists, the terrorist threat situation has eased only superficially. The bomb attacks in Madrid and London are clear evidence that Europe is no longer just a recruitment and financing area but has become a target of Islamic terrorism," Ernst Uhrlau, head of Germany's BND foreign intelligence agency told a conference on Islamic extremism organised by the American Jewish Congress.