South Korea sent a patrol boat to the borders of North Korea.

Press konferentsiiVladimir Khrustalev expert Maritime State University named Admiral Nevelskogo29.05.2009Chem threatens the peace of North Korea? SyuzhetyPovtornye the nuclear tests in KNDR01.06.2009Severnaya Korea is preparing to launch long-range deystviyaVoenno-sea fleet of the South Korea has sent to the maritime boundary DPRK patrol boat with a live guided missiles on board, reported AFP. Thus the South Korean military will prevent any possible attack by North Korea.
According to the Navy of South Korea, currently the country's border in the Yellow Sea protects newest ship "Yun Yong Ha" (Yoon Young-ha). The military claimed that the ship has more powerful features than the ships of the DPRK, running in the Yellow Sea. "If North Korea will make the slightest attempt to provoke us, the response will be immediate," - said the representative of the military.
Seoul has expressed fears that North Korea is preparing an attack on a South Korean island in the Yellow Sea. Presumably, the target can be an island Yonphendo, which are currently about 4 thousand marines. The concerns stemmed from the fact that North Korea has increased its holding of maneuvers using speedboats, amphibians.
May 27, North Korean authorities declared that break the truce in 1953 that ended the Korean War, and in case of threat ready to respond to South Korea and its support to countries including the United States. In the statement, the DPRK also stated that since the refusal of the terms of the treaty of 1953, the country can not guarantee the safety of navigation in the area of the west coast.
June 1 was informed that the South Korean intelligence has learned about the preparation of the DPRK tested a ballistic missile range of validity. According to reports, the missile has already been taken out to the launch pad, which will soon be made of its launch. Presumably, this is a modified version of the missile "Thephodong-2. Latest Launch Thephodong-2 "North Korea has made in April 2009.