In Berlin. Every day now (they forget to mention the one in Berlin Steglitz this morning).

Knifeman on the run after Berlin tram passenger seriously injured in stabbing – The victim was attacked around 2.30am on the M2 tram at Karl-Liebknecht-Straße in the city’s Mitte district…

“Knife violence is a city-wide problem, and many young men in particular seem to have one in their pockets.”