German police secure the grounds of a lodge owned by Heinrich Reuss, a German aristocrat who was among 25 people arrested on Wednesday in nationwide raids. Photograph: Jens Schlueter/Getty Images German investigators say further arrests are likely over an alleged coup d’etat plot by an extremist group, in particular among police and army officers. So far investigators have identified 54 suspects and conducted more than 150 searches and confiscated large numbers of weapons, including crossbows and rifles, at more than 50 locations. A day after searches in 11 federal states – as well as Austria and Italy – Germany’s federal...