Sputnik has obtained a video showing the rioters clash with Athens police during German Chancellor Angela Merkel's visit to the Greek capital.
This came after Ekethimerini reported the day before that Greek riot police had used tear gas to disperse protesters in Athens.
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According to the Greek media, approximately 2,000 officers, police helicopters and drones were deployed to coincide with the German leader's visit, which is set to last until Friday afternoon.