Here is a concise original summary based on the information published by the source. Germany blames infiltrators as Gen Z protests turn violent CNNGerman ministers vow tough response to Frankfurt riots and looting ReutersProtests spread to Germany as hundreds of thousands march again in France CNNRioters loot stores in Frankfurt as European youths protest living costs and military service NBC NewsPeaceful protests in Germany spiral into violence and looting BBC For the full context and any later updates, use the original source link.