Russia has said that North Korea's disregard for UN restrictions is unacceptable and that its decision to pursue its nuclear programme radically limited the chances to resume stalled six-party nuclear talks.
"This radically complicates, if it doesn't in practice shut off, the prospects for resuming six-party talks," Russian Foreign Ministry spokesman Alexander Lukashevich told a briefing.
Through her tears, a North Korean woman told me how she had to escape: risk death while running across the border or die of starvation.
Memories of the Korean war are never far away in South Korea, where residents have grown used to living with the constant threat of war.
North Korea said it will withdraw workers from the Kaesong factory park run jointly with South Korea and suspend all operations there.