A 32-year-old man was arrested in Zagreb, Croatia, after attempting to take delivery of over 100 kilograms of chemicals used in drug production. The precursors were ordered from China and arrived at a local post office. Authorities apprehended the suspect while he was picking up the shipment. The investigation suggests the man intended to manufacture illegal drugs with the imported materials. This case highlights the growing issue of international drug trafficking networks utilizing postal services. Police are continuing to investigate the scope of the operation and any potential accomplices. The seized chemicals represent a significant disruption to potential drug production within the region.