Turkish police seized 330 kilograms (727.5 pounds) of heroin on Thursday in the eastern Van province.
Anti-narcotics officers launched an operation against illegal drug trafficking in the Edremit district, local police said in a statement.
During the search, with the help of a sniffer dog, police found 331.16 kilograms (730 pounds) of heroin, hidden in 643 packages in a house and fuel tank of a truck.
Six suspects, identified only by the initials A.D., E.D., H.D., T.D., F.D. and V.D., were arrested for drug smuggling.
According to police data, Turkish security forces confiscated a total of 17.3 tons of heroin in 2018, arresting more than 1,500 suspects.
