15 March 2012 Updated at 13:44 ET
Syria: Aid groups mark year of protest with unity callt
Key events in Syria uprising, one year on
Syria CrisisSyria turmoil
Syria's year of protest and insurrection
'Assad emails' highlight private life
Syrian opposition's failing tactics
A coalition of 200 aid and rights groups has called on Russia and China to support United Nations' attempts to end the violence in Syria.
link-
http://www.bbc.co.uk/news/world-middle-east-17378228