PHUKET, Thailand, July 23 -- The war of words between North Korea and the United States escalated Thursday, with North Korea's Foreign Ministry lashing out at Secretary of State Hillary Rodham Clinton in unusually personal terms for "vulgar remarks" that it said demonstrated "she is by no means intelligent."

Clinton, who earlier this week likened North Korea to an unruly child, has rallied international isolation of North Korea at a 27-member regional security forum here. She met with her Russian, Chinese, South Korean and Japanese counterparts -- the other key partners in suspended six-nation disarmament talks -- and won strong statements of support from many delegations.

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