Evening unrest followed largely daytime youth protests across Germany on Saturday, with shops looted in Frankfurt after demonstrations over living costs, schools and military service, BBC and DW reported^1,2.

The marches were organized by the campaign group Gen Z regelt^1,2. BBC said authorities in Frankfurt, Munich and Berlin reported as many as 18,000 protesters, about half what organizers had estimated¹. DW said organizers put nationwide turnout at 100,000².

Frankfurt police said violent riots occurred in the city center, with shop windows smashed^1,2. DW said officers closed Die Zeil, a major shopping street, after looting that included a specialist firearms shop². BBC said police reported Molotov cocktails thrown at emergency services and that two weapons were seized after an arrest¹.

Hesse Interior Minister Roman Poseck said about 100 people he described as left-wing extremists had joined the Frankfurt protest^1,2. DW reported several officers were injured there and that police used water cannon².

Clashes were also reported in Cologne, Hamburg and Berlin^1,2. Cologne police said about 200 people were involved near the cathedral, with bottles and bicycles thrown, one person injured and five detained². BBC said police used water cannon against protesters who targeted emergency workers with fireworks, stones and bottles¹.

A German police union official told a newspaper earlier Saturday that the Gen Z protests had been very peaceful, DW reported². What courts will do with those arrested, and final injury and damage totals, were not settled in these accounts^1,2.