Chinese President Hu Jintao met President Asif Ali Zardari here in Moscow on the sidelines of the 9th summit of the Shanghai Cooperation Organization (SCO). The two leaders discussed mutual cooperation and other issues in the meeting. Earlier, President Zardari arrived here on Sunday to discuss with regional leaders the threats of extremism and terrorism confronting the region. Zardari joined the leaders from major countries of Central and South Asia at the two-day summit being held in a region bordering Asia and Europe on Monday. Chinese President discussed the matters of mutual interest in the meeting with his Pakistani counterpart.