Kazım Kızıl, a filmmaker known for his documentaries on human rights violations in Turkey, was put under pre-trial arrest on several charges including inciting protests in the aftermath of the April 16 referendum.

A constitutional amendment that is set to give more power to President Recep Tayyip Erdogan was accepted with a slight majority on Apr 16, however debates over voting irregularities have yet to simmer down. The opposition and international observers say as many as 2.5 million voters could have been “manipulated,” effectively changing the result. Hundreds of No voters have taken streets since then.

“Our people, with such result, direct us to the streets,” Kizil wrote on his social media account on Apr 16, leading a prosecutor to go after him.

On Apr 21, the court in charge ruled on his arrest after he spent 5 days under detention.