"The tinted windows of one of the cars opened and a guy in dark glasses shouted, 'What the hell are you doing?'" says Yusuf Sengul, who was attending the first day of a heavy metal festival with his friends.

Five minutes later, the men in black came back with police, bundled Sengul and four others into cars and took them to a police station. "They said they were acting on the orders of the prime minister," Sengul remembers. "We were laughing. We thought it was a joke." - more on this story

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