The attack occured in Cizre which is located in Sirnak, a province that borders both Syria and Iraq and has a large Kurdish population
At least 11 people were killed and 78 wounded in a blast at a police headquarters in Turkish town of Cizre in the largely Kurdish southeast, broadcaster NTV reported.
NTV did not cite a source for the casualty figures. The state-run Anadolu news agency blamed the attack on the Kurdistan Workers Party (PKK), a militant group that has waged a three-decade insurgency for Kurdish autonomy and has been involved in almost daily clashes with security forces since a ceasefire collapsed more than a year ago.
Turkey's Health Minister Recep Akdag e told reporters in Istanbul that the death toll from the blast remained unclear. There was no immediate claim of responsibility.
Large plumes of smoke billowed from the site in Cizre, located in Turkey's Sirnak province bordering both Syria and Iraq, footage on CNN Turk showed. The broadcaster said a dozen ambulances and two helicopters had been sent to the scene.
AT A GLANCE
* State news agency blames Kurdish PKK militant group
* PKK involved in almost daily clashes for about a year
* Turkey battling Kurdish militia, Islamic state in Syria
Hospital sources initially said that nine people were killed and 64 wounded, but an official later said the toll was eight. It was not clear whether the casualties were civilians or police officers.
Photographs broadcast by private channel NTV showed a large three-storey building reduced to its concrete shell, with no walls or windows, and surrounded by grey rubble.
Turkish special forces, tanks and warplanes launched their first major incursion into Syria on Wednesday in support of Syrian rebels, in an operation President Tayyip Erdogan has said is aimed both at driving Islamic State away from the border area and preventing territorial gains by the Kurdish YPG militia.
Turkey views the YPG as an extension of the PKK, which is listed as a terrorist organisation by Turkey, the United States (US) and the European Union (EU). More than 40,000 people, mostly Kurds, have died since the rebels took up arms in Turkey in 1984. Turkish troops fired on YPG fighters in northern Syria on Thursday.
Also on Thursday, Interior Minister Efkan Ala accused the PKK of attacking a convoy carrying the country's main opposition party leader, Kemal Kilicdaroglu. The government has blamed the PKK for a series of attacks this month in the southeast. The group has claimed responsibility for at least one attack on a police station.
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