Since the early 1600s, the Blue Mosque has been quite the sight to behold, with an array of domes, semidomes and minarets (or narrow towers). It's also one of the biggest tourist draws in Istanbul.

On Wednesday morning, police officers in balaclavas descended on the Imam Ali mosque, also known as the Blue Mosque, in Hamburg to confiscate cash and a black Audi vehicle. Nancy Faeser ...