U.S. Secretary of State Mike Pompeo voiced hope Friday for a second summit between the U.S. and North Korea "before too long," but added there was still work to do.

Both sides have floated the possibility of a second meeting between U.S. President Donald Trump and North Korean leader Kim Jong-un to move forward negotiations to dismantle the regime's nuclear weapons program.

Following an impasse over what denuclearization entails, the talks appeared to be back on track this week, helped largely by a third summit between South Korean President Moon Jae-in and Kim.

"I'm hopeful that I get a chance to travel again to Pyongyang to continue these negotiations before too long," Pompeo said in an interview with MSNBC. "And then before too long ... I hope the two leaders get together again to continue to make progress on this incredible important issue for the entire world."

This AFP file photo shows U.S. Secretary of State Mike Pompeo. (Yonhap)

In a separate interview with Fox News, the top U.S. diplomat said the conditions would need to be right.

"We're working on it. But there's still a little bit of work to do left to make sure the conditions are right and that the two leaders are put in a position where we can make substantial progress," he said.

Trump and Kim held their first summit in Singapore in June.

At that meeting, the first between a U.S. and North Korean leader, Kim committed to work toward "complete denuclearization" of the Korean Peninsula in exchange for security guarantees from the U.S. (Yonhap)

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