President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE told reporters Tuesday that he aims to hold his second summit with North Korean leader Kim Jong Un after the November midterms.

"I just can't leave now," said Trump, who has stepped up his campaigning for Republicans as Election Day approaches.

Secretary of State Mike Pompeo Michael (Mike) Richard PompeoTreasury sanctions individuals, groups tied to Russian malign influence activities Navalny released from hospital after suspected poisoning Overnight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers MORE met with Kim earlier Sunday and had a conversation that Pompeo described as "good, productive" toward Pyongyang giving up its nuclear capabilities.

"As President Trump said, there are many steps along the way and we took one of them today," Pompeo said of the meeting. "It was another step forward."

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After he left the meeting, Pompeo told South Korean President Moon Jae-in that Kim is ready to meet with Trump "as soon as possible," according to Moon's office.

The president touted the countries' improving ties after his first summit with Kim earlier this year, but has reportedly become frustrated with the lack of forward momentum toward denuclearization.

North Korean Foreign Minister Ri Yong Ho warned late last month that the country will not relinquish its nuclear capabilities until it has "trust in the U.S."