The former head of the far-right Identitarian movement in Austria, Martin Sellner, has taken legal steps against a German entry ban issued last week, a court in the city of Potsdam, which initiated the ban, said on Tuesday. “We have an urgent application pending,” Ruben Langer, spokesman for the Potsdam administrative court, told dpa. The application by Sellner’s lawyer is directed against the city’s entry ban order from March 22, citing the loss of the right to freedom of movement in the European Union, he said. Potsdam initiated entry ban proceedings against the high-profile Austrian white s…