In addition to the Dutch, three Germans were also arrested in Hesse at the end of March for the explosive attacks. They also led to more than a million euros in damage to the surrounding buildings.
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The investigation into the bombings is led by the Attorney General of the German city of Frankfurt am Main, the largest city in Hesse. He works together with the Dutch police. A seventh member of the gang is still being sought. It has not been announced whether it concerns a Dutchman or a German.