India, the current chair of the Shanghai Cooperation Organisation (SCO), held a meeting of national security advisors (NSA) and top security officials in its national capital, New Delhi. India’s National Security Advisor, Ajit Doval, who chaired the meeting, appealed to all nations to unite in the fight against terrorism. Doval said terrorism in all its forms is the most serious threat to international peace and security, and regardless of its motivation, it is unjustifiable. Watch this video for more.