Clashes erupted when protesters gathered at a cemetery outside the town of Lice to prevent soldiers from demolishing a controversial statue of a founder of the banned Kurdistan Workers Party (PKK).
Backed by helicopters, security forces launched an early morning operation to dismantle the statue of Mahsum Korkmaz, a commander who had planned the initial attacks by the PKK in what would become a 30-year insurgency against Turkish authorities.
The incident quickly turned violent, with Turkish soldiers firing live bullets, eye witnesses told AFP.
The statue of Korkmaz, which shows him dressed for battle and with a rifle by his side, was unveiled on Saturday, on the 30th anniversary of the first PKK attacks.
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The move sparked outrage among Turkish nationalists who denounced it as the unwanted result of Prime Minister Recep Tayyip Erdogan's policy of granting greater rights to the country's Kurdish minority.
Two days later, a court in Lice ordered its demolition after complaints that it was promoting terrorism.