That means weapons and knives are forbidden (here).

Why didn’t anybody think of this before? Problem solved. At least “temporarily.”

Federal police declare temporary knife ban at major Berlin train stations – A temporary knife ban at major Berlin stations promises safety but raises questions about policing and public space.

Starting next week, Berlin’s central train stations will become no-knife zones, at least for part of the day. In an effort to curb rising violence, federal police are instituting a month-long weapons ban across twelve of the city’s busiest stations.