Iranian president Hassan Rouhani said Tehran-Moscow cooperation over the past few months has significantly contributed to “regional peace” (sic) and should be boosted further. Russian President Vladimir Putin said Tehran and Moscow shoulder a heavy responsibility to safeguard the stability, security and development of the Caspian Sea region. They met on the sidelines of the fourth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) in Shanghai, China.