CNN's John Vause looks at the possible fallout after a report alleges North Korea was behind the sinking of a warship.
U.S. President Barack Obama on Monday directed military commanders to work with South Korean troops "to ensure readiness and to deter future aggression" from North Korea.
South Korean President Lee Myung-bak announced Monday his country is suspending trade with North Korea, closing its waters to the North's ships and adopting a newly aggressive military posture after the sinking of a South Korean warship.
U.S. Secretary of State Hillary Clinton warned Friday that North Korea must faces consequences over the alleged sinking of a South Korean warship which has stoked tensions in the divided peninsular.
Lee In-ok will never forget Friday, March 26. It was late that night that the 48-year-old heard news that the South Korean warship the Cheonan was sinking in the frigid waters of the Yellow Sea off North Korea.
South Korean President Lee Myung-bak has vowed "resolute" measures against North Korea for its alleged attack on a South Korean warship, South Korea's Yonhap News Agency reported Thursday.
The president of South Korea has vowed "resolute" measures against North Korea for its alleged attack on a South Korean warship, South Korea's Yonhap News Agency reported Thursday.
As South Korea awaits the release of an official report into the sinking of a warship Thursday, a range of leaks and unofficial statements is pointing the finger firmly at North Korea.
As South Korea awaits the results of a probe into the sinking of a warship, expected to be made public Thursday, debate is already underway over the policy options open to Seoul if the investigation holds North Korea responsible.
The mood was somber in South Korea Thursday as the nation officially honored the sailors who were lost when their warship went down near disputed waters off North Korea last month.
The South Korean navy honors 46 sailors killed or left missing when a ship sank in waters near North Korea.
An explosion at close range, and not a direct hit, caused the 1,200-ton patrol ship Cheonan to sink last month, a team of South Korean military and civilian investigators has tentatively concluded.
The body of a missing sailor was recovered in the wreckage of a South Korean ship that went down in the Yellow Sea in March, Yonhap news agency reported Saturday.
An emotional President Lee Myung-bak vowed Monday to find out why a South Korean naval ship sank and to "deal resolutely" with whatever or whomever caused the sinking, the country's Yonhap news agency reported.
South Korea's navy hauls a sunken warship out of the water near the disputed coastal border with North Korea.
A South Korean investigator said Friday that an "external explosion" was the most likely cause of the mysterious sinking of a naval ship in which 46 South Korean sailors were lost in tense waters off the North Korean coast.
A week-long search for dozens of sailors lost when a South Korean warship sunk in waters close to North Korea was called off late Saturday after a request from the families of the missing men.
The cause of a sunken South Korean naval ship remains unknown as rescue efforts continue. CNN's Pauline Chiou explains.
An experienced diver and master sergeant in the South Korean navy died Tuesday while conducting rescue efforts for 46 seamen who were aboard a patrol ship when it sank, a military official said.
South Korean officials said Monday they have found what they believe to be the rear section of a sunken navy ship where up to 46 sailors could be trapped, according to the Yonhap News Agency.
Strong winds and rough waves Sunday dimmed hopes of rescuing 46 South Korean sailors as search efforts entered their second day following the Friday night sinking of their navy ship off the North Korean coast.
South Korean rescuers were searching for missing sailors Saturday after a navy ship sank in tense Yellow Sea waters off the coast of North Korea.