- South Korea's president expected to refer sinking of vessel to UN security council.
South Korea and the US may raise their state of readiness against the military threat posed by North Korea to the second-highest level in response to the sinking of the patrol vessel Cheonan. Full story:
http://www.guardian.co.uk/world/2010/may/23/south-korea-alert-cheonan-sinking
* South Korea vows to retaliate over warship sinking:
http://cristiannegureanu.blogspot.com/2010/05/south-korea-vows-to-retaliate-over.html
