epa07562190 Former President of the Federal Office for the Protection of the Constitution Hans-Georg Maassen attends the Berlin Circle (Berliner Kreis) in the Union in Berlin, Germany, 09 May 2019. According to the media, Chairman of the Union faction, Ralph Brinkhaus forbad the use of the planned parliamentary chamber for the Berlin Circle after he found the appearance of Maassen. The Berlin Circle is a registered association of federal and state politicians within the CDU. Masen was head of Germany's domestic intelligence agency until he was sacked in November 2018 after he made a speech critical of the government. EPA/HAYOUNG JEON