Ayman al-Zawahiri said Western govts had backed strongmen in Egypt, Tunisia.
Chinese PM said political and economic restructuring should be coordinated.
The US on Thursday accused Iran of trying to "influence" a series of uprisings in the West Asia through its "proxies" like Hezbollah and Hamas, as it said that Tehran is involved with the opposition movements in Bahrain and Yemen.
Navi Pillay says the world must help protesters quickly cement new changes.
Day in Pics: 29th March
Showbiz World - March 29, 2015
'Bharat Ratna' Atal Bihari Vajpayee