North Korea's Kim Jong-il is visiting Russia to bolster diplomatic support. A key issue is the ability of Kim's son and heir to rule with an iron hand – an issue getting renewed attention as Libyan rebels advance into Tripoli.
South Korea’s main concern appears to be that Obama does not acquiesce to Hu’s call for six-party talks without the South’s full agreement – and without concessions on the part of North Korea.
North Korea appears poised to display its nuclear weapons capability with an underground test, say experts, in a bid to keep military tensions high and force a return to talks.
In the wake of the North Korean attack on a South Korean island, the sense among many Koreans is they could carry on as usual. But some warn against complacency.
North Korean attack on South Korea was the first such event on land since the Korean War. South Korean analysts appear puzzled over how best to respond to the North Korean attack.
South Korea has 4,500 service members from all military branches engaged in five days of antisubmarine drills. North Korea has threatened to retaliate.
North Korea warned of a 'powerful physical retaliation' if South Korea goes through with naval drills in the Yellow Sea this week. The real concern is over how China will respond.
Secretary of State Hillary Clinton, on a brief visit to South Korea, agreed with South Korean President Lee Myung-bak that 'strategic patience' should guide relations in wake of North Korean sinking of a South Korean Navy ship in March.