Skopje. Three Macedonians and a Greek were arrested in joint operation of Turkish and Greek police in cooperation with the U.S. Agency for Drugs DEA, Macedonian newspaper Vreme announced. The police have found 74 kilograms of heroin during the operation. The operation was carried out after a truck traveling from Turkey has arrived in Macedonia, but it has changed the route in the last time. The driver of the truck had been watched closely for several months. The purchase of heroin and its putting in the secret compartments of the truck were registered. Yesterday the truck passed the border between Turkey and Greece and unexpectedly headed to the port of Athens. It was stopped by teams of Greek police and the DEA, who have found the drugs, which value is estimated at 200,000 euros.