Turkish jets destroyed terror check posts of Kurdistan Workers' Party (PKK) terrorist group in northern Syria's Afrin on Saturday.
According to Anadolu news agency, Turkish jets were seen flying in southern Hatay province's Reyhanli and Kirikhan districts near the Syrian-Turkish border and attacked the posts with explosives.
Turkish President Recep Tayyip Erdogan announced earlier that military operations "actively" started in Afrin.
Erdogan added that Turkey had undertaken such an operation, in order to remove terrorists from its borders in the interests of national security.
Some reports also mentioned that Russian troops, who were also in Afrin to tackle the PKK, have been ordered by the Russian Defence Ministry to back out from the Turkey-led military operations.
The PKK which is based in Turkey, Iraq and parts of Syria has been involved in an armed conflict with Turkey. Its aim is to achieve the objective of creating an independent Kurdish state.
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It has been listed as a terrorist organization by Turkey, the United States and the European Union.
The PKK is responsible for the deaths of more than 1,200 Turkish security personnel and civilians.
Turkey has been embroiled in a state of emergency since last year, ever since the failed military coup against Erdogan and subsequent terrorist attacks by local militants and the Islamic State group in the country.