The Bayburt Chief Public Prosecutor’s Office on Sunday issued detention warrants for 16 soldiers of various ranks as part of a an onoging investigation into Turkey’s Gülen group, which is accused by Turkish authorities of orchestrating a failed coup in Turkey last year.

According to the CNN Türk, police have already detained 15 active duty and one retired officer in operations across 11 provinces.

Turkey survived a military coup attempt on July 15, 2016 that killed 249 people and wounded more than a thousand others. Immediately after the putsch the ruling Justice and Development Party (AKP) government along with President Tayyip Erdoğan pinned the blame on the Gülen group.

The group denies any involvement.

Turkey’s Justice Ministry announced on July 13 that 50,510 people have been arrested and 169,013 have been the subject of legal proceedings on coup charges since the failed coup.

Turkey has suspended or dismissed more than 150,000 judges, teachers, police and civil servants since July 15 through government decrees issued as part of the state of emergency.