Zhou Yongkang, China's former domestic security chief, attends his sentence hearing in a court in Tianjin, China, in this still image taken from video provided by China Central Television and shot on June 11, 2015. REUTERS/China Central Television via REUTERS TV

Zhou Yongkang, China’s former domestic security chief, attends his sentence hearing in a court in Tianjin, China, in this still image taken from video provided by China Central Television and shot on June 11, 2015. REUTERS/China Central Television via REUTERS TV

Zhou Yongkang, China's former domestic security chief, attends his sentence hearing in a court in Tianjin, China, in this still image taken from video provided by China Central Television and shot on June 11, 2015. REUTERS/China Central Television via REUTERS TV

June 15, 2016 2:00 PM (UTC+8)