Belgian police have seized 11.5 tonnes of pure cocaine hidden in five containers in the port of Antwerp in the country's biggest-ever haul, prosecutors said on Thursday, The finds were made on October 27 when five scrap metal containers from South America were subjected to a thorough inspection, a statement said. Antwerp is Europe's second largest goods port after Rotterdam, but is the number one gateway for cocaine to the continent, thanks to its close trade links with South America. arp/rmb/har