The UK government's response to revelations of mass surveillance leaked by Edward Snowden is leading to the erosion of fundamental rights and freedoms in Britain, said a letter sent to PM David Cameron on behalf of global human rights organizations - READ MORE br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.