'Stop Dortmund possible revenge '

dortmund - keep German security were possible note that right-wing extremists and football hooligans involved in the bomb attack on the team of Borussia Dortmund. The attack possibly served as revenge for an earlier clash between hooligans from the club and the supporters of the football club RB Leipzig, say sources close to the investigation by the German news magazine Focus.

There are, according to the magazine indications that the attack was the work of radical Muslims. So the attack was not claimed by a terrorist group. Also let jihadists earlier attacks usually no letters behind. That happened this time either.

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The security forces were at the scene of the attack three letters, which were among others called for the closure of the US base of Ramstein in Germany. That call would have served already been done once in articles from the extreme right and can serve as inspiration.