The Foreign Ministry in Beijing summoned the German ambassador Patricia Flor on Thursday to discuss an espionage affair. German security services have arrested four suspects on allegations of spying for China, including an aide to a prominent politician in the far-right Alternative for Germany (AfD) party, Maximilian Krah. The German Foreign Office said in a statement that the Chinese chargé d’affaires had already been summoned to a meeting on the matter in Berlin on Tuesday. “The Federal Government’s clear position on the ongoing investigations into alleged Chinese espionage activities was ma…