Islamic extremists reported to be behind Borussia Dortmund team bus explosions

Police officers stand in front of Borussia Dortmund's damaged team bus after an explosion before the Champions League match against Monaco (AP Photo/Martin Meissner)
Police officers stand in front of Borussia Dortmund's damaged team bus after an explosion before the Champions League match against Monaco (AP Photo/Martin Meissner)

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