The US and South Korean deployment of new vehicles and robots for defense against nuclear weaponry reflects fears that North Korea, in a leadership struggle and desperate for food, might be tempted to use them.
South Korea said Wednesday it will blacklist 102 Iranian firms and 24 people in response to US pressure to sanction Iran over its nuclear program.
North Korea leader Kim Jong-il confirmed his readiness to rejoin six-party talks after a visit to China last week. But the US, Japan, and South Korea want to see key steps first.
President Obama signed an executive order Monday that adds to the list of North Korea sanctions. This one targets North Korean entities involved in activities such as drug trafficking and arms sales.
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.
New North Korea sanctions will target the banking sector in order to curtail the purchase and sale of weapons. The US-imposed sanctions also aim to stop the import of luxury goods for the elite surrounding leader Kim Jong-il.