North Korea called on Monday for direct talks with its long-time foe, the United States, and gave the clearest signal so far it was ready to return to nuclear disarmament talks it has boycotted for almost a year.

The comments follow last week's rare visit by a North Korean official to the United States and what has been a "charm" offensive by the ostracized state which some analysts say is looking increasingly desperate for finance and aid.

"The conclusion we have reached is that the direct parties, which are the North and the United States, must first sit down and find a rational solution," a Foreign Ministry spokesman was quoted as saying by the official KCNA news agency.

"Now that we have shown the generosity of stating the position that we would be willing to talk to the United States and hold multilateral talks including the six-way talks, it is time for the United States to make a decision."

The comments were the strongest so far on the secretive state's willingness to return to talks it walked out on last December.

Last month, leader Kim Jong-il said he would consider rejoining the talks with China, Japan, Russia, South Korea and the United States, provided it had direct discussions with Washington.

US academics and former officials said on Friday after meeting Pyongyang's second ranking nuclear envoy that the North appeared to be more open to resuming the six-way talks on its nuclear program.

North Korea's Ri Gun met the US special envoy to disarmament talks in the past week in rare contacts in the United States, viewed as prelude to a visit to Pyongyang by senior US officials.

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