At least four people were killed when a Turkish drone targeted a vehicle in Kalar in the Kurdistan region in Iraq, local media outlet Rudaw News reported on Friday citing local authorities. 

The targeted vehicle belongs to the Kurdistan Workers' Party (PKK) and was carrying some weapons, according to the report. 

Another person was injured during the attack and is being treated at hospital. 

The PKK, listed as a terrorist organization by Turkey, the United States and the European Union, has been rebelling against the Turkish government for more than three decades.