Chinese State Councilor Yang Jiechi gives a speech during the opening session of the 5th Meeting of BRICS High Representatives for Security Issues on May 26, 2015. More military-tech contracts could enhance the cooperation of BRICS members in fighting terrorism, extremism, cross-border crimes as well as new threats and challenges, Russian Security Council Secretary Nikolai Patrushev told the representatives of the BRICS nations. (Xinhua/Dai Tianfang)