A Turkish-born airport cleaner known to the authorities as a hardline Islamist had an access to major German airports’ most sensitive security areas almost a year after Berlin authorities briefed an airport safety watchdog of his ties to radical beliefs, a report has revealed.

The employee, identified in a new report by Germany’s Morgenpost on Wednesday as “Recep Ü,” was eventually sacked in October 2015 after four years of working for the German airport operator FBB, which runs Berlin’s Tegel and Schönefeld airports. However, his dismissal was triggered not by concerns over a possible terrorist threat but by a separate incident involving a security breach. He had been apprehended by airport security officers while attempting to smuggle a knuckle-duster into the security area of Schönefeld airport, the newspaper reported.

Read more: rt.com