Hans-Christian Stroebele, a member of the German Greens Party and the Bundestag, holds up a letter from Edward Snowden, former contractor with the National Security Agency (NSA), that Mr Snowden gave him  in Moscow yesterday. Photograph: Getty

US whistleblower Edward Snowden has said he regrets nothing of his actions to expose surveillance programmes operated by the National Security Agency (...)

US secretary of state John Kerry gestures before South Korea's foreign minister Yun Byung-se this morning at the presidential Blue House in Seoul. Photograph: Paul J Richards/Reuters

The US will never accept North Korea as a nuclear power and will come to the defence of the South if necessary, secretary of state John Kerry said (...)