Austria: Mass arrests and pyrotechnics seizures amid Halloween violence calls

Austrian police deployed hundreds of officers in Vienna and nationwide after pre-emptive calls for violence on Halloween, resulting in 16 arrests (8 in Vienna) and seizure of hundreds of kilograms of pyrotechnics. A major operation occurred at a private party in Baden. The scale of the operation suggests authorities treated the threat seriously, but details on the nature of the calls and any injuries remain unclear.

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