Whistleblower Edward Snowden has told NBC News he is "comfortable" with his actions in revealing details of the US National Security Agency's surveillance programme.
However Snowden, who is now living in exile in Russia, admitted he does feel a "sense of loss" at not being able to return to the US.
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More is needed to help overcome poverty and inequality in New Orleans, 10 years after Hurricane Katrina devastated the area, Obama has said.
WARNING: Some people may find images upsetting.
Hundreds of people are feared to have drowned after a boat packed with migrants sank off the coast of Libya, trapping many in the hold.