Various sources on the happenings:

http://news.bbc.co.uk/2/hi/asia-pacific/7296041.stm

http://www.iht.com/articles/2008/03/14/asia/china.php

http://www.guardian.co.uk/world/2008/mar/14/tibet.china3

http://www.time.com/time/world/article/0,8599,1722509,00.html

http://news.yahoo.com/s/nm/20080314/ts_nm/china_tibet_dc_16

http://news.yahoo.com/s/afp/20080314/pl_afp/chinatibetreligionprotestsrightsusambassador_080314145403

http://in.reuters.com/article/southAsiaNews/idINIndia-32492120080314?pageNumber=2&virtualBrandChannel=0

http://news.bbc.co.uk/2/hi/asia-pacific/7299597.stm

http://news.bbc.co.uk/2/hi/asia-pacific/7299530.stm

Video:

http://www.cnn.com/2008/WORLD/asiapcf/03/14/tibet.unrest/index.html#cnnSTCVideo

http://youtube.com/watch?v=2FtB_P-uWZI

http://www.youtube.com/watch?v=JZLzKBvvGMg

http://www.guardian.co.uk/world/video/2008/mar/16/xiahe.gansu