A German court has rejected a request by the former leader of the Islamic State terrorist militia in Germany, Abu Walaa, to stop his deportation to Iraq. National security priorities justified his deportation, the administrative court in Düsseldorf ruled on Monday. Abu Walaa had been sentenced to 10 and a half years in prison in 2021 by the Higher Regional Court of Celle. But his ultimate fate depends on the results of several different legal manoeuvrers. After a trial that lasted more than three years, the Celle court found the former Islamic preacher guilty of support and membership in a for…