The Latest Breaking News from Seoul

North Korea test-fired what appeared to be a hypersonic missile on Wednesday, but the launch ended in a mid-air explosion, an official from Seoul's Joint Chiefs of Staff said.

A Korean Air flight to Taiwan was forced to return to Incheon airport west of Seoul after a sudden depressurization on the plane, a Boeing 737 Max 8

A series of battery cells reportedly exploded inside a warehouse near Seoul

The defiant Russia-North Korea friendship pact raises big questions for Washington and Seoul – but also for Beijing, writes Andrew Roth

State department warns such a move could destabilise the peninsula, as South Korea considers arming Ukraine

South Korea summoned Russia's ambassador to Seoul Friday to protest a defence deal signed by President Vladimir Putin and North Korea's Kim Jong Un during a visit to Pyongyang this week.

Incident is the third this month and took place as Russian President Vladimir Putin was visiting Pyongyang.

Seoul's military said Friday it had fired warning shots after North Korean soldiers briefly crossed the heavily fortified border in the third such incursion this month.

A South Korean activist group says it again flew large balloons carrying anti-North Korean propaganda leaflets toward North Korea, adding to a campaign that aggravated animosities between the rivals and prompted a resumption of Cold War-style psychological warfare along their border

Major weapons exporter South Korea will "reconsider" a longstanding policy that bars it from supplying arms directly to Ukraine, a presidential official said Thursday, after North Korea and Russia signed a defence deal.

Putin and Kim signed a strategic partnership agreement during Putin's visit to North Korea, deepening ties and raising concerns in Seoul and Washington.