Polish authorities said Monday they had seized over a ton of heroin from Iran, hidden in a shipment of decorative bricks, at the Baltic port of Gdynia. "This is the largest operation of its kind in over a decade," Interior Minister Marcin Kierwinski said at a press conference. The drugs, worth 220 million zlotys (51.8 million euros), were concealed in the brick shipment coming and were first flagged by British customs officials The drugs originated from Iran, Chief of Police Marek Boron said. Last month, three Polish nationals were detained in connection with the investigation, and later charged by prosecutors in Gdansk. Since 2022, the quantity of drugs seized by Poland's Central Investigation Bureau has increased by 650 percent, according to the Ministry of the Interior. More than 83 tons of drugs worth 600 million zlotys (141.4 million euros) were confiscated since the start of 2026 alone, compared with 29 tons in the whole of last year.