"President Obama and president Lee reiterated that North Korea must live up to its commitment to eliminate its nuclear-weapons program, comply with its international obligations under relevant UN Security Council resolutions, and put an end to belligerent behaviour towards its neighbours," said the White House.
Obama also told Lee Myong Bak that Hillary Clinton, the Secretary of the State would visit Seoul for consultations next week. He also told that the defense and foreign ministers of the two countries would conduct their first-ever 'Two plus Two' meeting in July 2010.
US President and Lee also had agreed to keep in touch and to meet during the time of G-20 meeting in Canada, to be held in June 2010. White House also informed that the two leaders conversed over the phone as part of their ongoing discussions on the full range of US-South Korea alliance issues.