Twenty more detained in Turkey's controversial Ergenekon operation

The detainees were taken in for questioning in relation to an investigation into a weapons cache found in Istanbul’s Poyrazkoy neighborhood in April, it added.

Ten army officers on active duty were among the twenty detained in five provinces, including the capital Ankara and the Aegean city of Izmir, CNNTurk said. 

More than 200 people have been charged as part of the Ergenekon case, launched in 2007, of forming an illegal organization to provoke a series of events that would pave the way to a military coup.

The controversial case, however, has divided Turkey, as many believe it has turned into a witch hunt targeting government critics

Photos are archive images.