 Four of the men arrested in Germany are Palestinians themselves, while a fifth was described as a Syrian national. All stand accused of carrying out crimes against humanity during the Yarmouk crackdown. Germany has been particularly proactive in pursuing war criminals. A Syrian colonel who'd sought asylum there was sentenced to life imprisonment in 2022. Meanwhile, Sweden arrested three Syrians on Wednesday, an operation police said was coordinated with German colleagues. The BBC's Paul Moss.