Chairman of the House of Representatives of the Belarusian National Assembly Igor Sergeenko, Speaker of the House of Representatives of the Tajik Supreme Assembly Mahmadtoir Zoir Zokirzoda, Russian State Duma Speaker Vyacheslav Volodin and Chairman of the Kazakh parliament's lower house Yerlan Koshanov arrive for a meeting of Russian President Vladimir Putin with the chairs of the parliaments of the CSTO member states at the Kremlin in Moscow, Russia.