Turkish security forces on Friday arrested 10 suspects tied to the Fetullah Terrorist Organization (FETO), the group behind the defeated coup of 2016, security officials said.

Prosecutors had issued arrest warrants for 13 FETO-affiliated suspects, said a statement by prosecutors in the capital Ankara.

The suspects include two retired Turkish Air Forces noncommissioned officers and 11 cadets who were previously dismissed.

Operations to arrest the remaining suspects are underway.

FETO and its US-based leader Fetullah Gulen orchestrated the defeated coup of July 15, 2016, which left 251 people dead and 2,734 injured.

Ankara accuses FETO of being behind a long-running campaign to overthrow the state through the infiltration of Turkish institutions, particularly the military, police, and judiciary.

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