Four people were killed and 13 others wounded after Kurdish rebels detonated an improvised explosive device on a road in southeast Turkey, Turkish officials said on Thursday.
The explosion on a road near the town of Kulp hit a vehicle carrying villagers who were returning home after gathering wood, the local governor's office said.
The blast caused the driver to lose control and the vehicle veered into a ditch, the private DHA news agency reported.
The Kurdistan Workers' Party, or PKK, has waged a more than three-decade old insurgency in Turkey's mostly Kurdish southeast region.
The conflict has killed tens of thousands of people since it started in 1984.
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