In a statement Sunday, the Turkish General Staff said Syrian opposition fighters had been exposed to chemical gas during a Daesh missile attack.
The General Staff said 22 fighters, who combat Daesh in alliance with Turkish forces within the scope of Operation Euphrates Shield, were observed showing symptoms of chemical gas exposure in northern Syria's Khalidiyah region.
The Turkish military also said a clash with Daesh terrorists had left one opposition fighter dead and 14 others injured.
Meanwhile, Turkish warplanes destroyed four Daesh targets in the Anifah neighborhood near al-Bab, also in Syria's north.
Operation Euphrates Shield was launched by Turkey in late August to rid the northern Syrian border area of terrorists.
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