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Live: North Korea voids all non-aggression pacts with South Korea

Tracking latest developments in the wake of North Korea's decision to scrap all non aggression treaties with South Korea.

Live: India 'deeply disturbed' by N-Korea nuclear test, says MEA

North Korea is believed to have conducted a third nuclear test after a UN nuclear test monitoring organization detected what it called an "unusual seismic event" in North Korea. Latest developments and reactions.

Obama calls North Korea nuke test a 'highly provocative act'

In a statement issued early Tuesday, President Barack Obama promises to "continue to take steps necessary to defend ourselves and our allies." He also urges "swift and credible action by the international community."