Macedonian police seized about 16 kilos of high-quality heroin on Thursday at Skopje settlement Cair, and arrested four people. The drug haul was part of the international operation 'Bosphorus'.

The drug traffickers are members of a criminal group, which has been trying to sold large quantity of heroin in Macedonia, Director of the Public Security Bureau lLupco Todorovski told reporters on Wednesday.

Undercover agents participated in the police operation, while the drug was seized at about 1600h, when it should have been transported to Kosovo. The police arrested one Turkish and three Macedonian citizens.

Black market wholesale, retail price of the seized heroin is estimated at about EUR500,000 and 700,000 respectively.

Thus far a total of 194 kilos of drugs have been seized within the 'Bosphorus' operation