South Korea 's accuses Pyongyang president of slander . President Barack Obama voices concerns over South Korea 's nuclear program . The spokesman for North Korea 's Committee for the Peaceful Reunification of Korea accused Park of violating a pact reached at a rare high-level meeting last month , that pledged to end `` slander '' between the two sides . South Korea 's launches two mid-range missiles . U.N. condemns the move , will consider 'appropriate response '
South Korea 's accuses Pyongyang president of slander . President Barack Obama voices concerns over South Korea 's nuclear program . South Korea 's launches two mid-range missiles . U.N. condemns the move , will consider 'appropriate response '