The Guardian, November 02, 2011
http://www.guardian.co.uk/world/2011/nov/02/china-tibet-monk-crackdown-un
Related information:
Aba under Siege after Tibetan Monks Protest
Agence France-Presse, October 19, 2011
http://www.youtube.com/watch?v=bWNQJTPpkxo