Leaders from several countries, including Union Minister Jairam Ramesh, have reacted angrily to revelations that the US spied on their governments at the 2009 Copenhagen climate summit, according to a media report.
A terror suspect is challenging the constitutionality of the National Security Agency`s warrantless surveillance program, saying in a court document that spying by the federal government has gone too far.
The National Security Agency reported its own violations of surveillance rules to a US intelligence court and promised additional safety measures to prevent similar missteps over and over again, according to more than 1,000 pages of newly declassified files.
In the latest revelations to further hit the US, a report has emerged saying that the National Security Agency tapped into and lifted data from the communication links connecting Google and Yahoo servers across the world.
Amid uproar in France over the revelation that the NSA carried out extensive electronic surveillance there, US President Barack Obama called up his French counterpart Francois Hollande and told that Washington has begun reviewing the way it gathers intelligence.
UK police detained the partner of a Guardian journalist responsible for leaking reports on US surveillance programme for nine hours under terror laws, prompting Indian-origin lawmaker Keith Vaz to seek an explanation.