Chinese officials cut off mobile phone and internet connections to areas where Tibetans were shot dead amid unrest last month, state media has reported.Officials say security forces fired in self-defence after mobs of rioters attacked police and official buildings in the south-western province of Sichuan, resulting in two deaths.
http://www.guardian.co.uk/world/2012/feb/03/china-internet-links-tibetan-unrest