Secretary of State Mike Pompeo Michael (Mike) Richard PompeoOvernight 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 Overnight Defense: House Democrats unveil stopgap spending measure to GOP opposition | Bill includes .6B for new subs | Trump issues Iran sanctions after world shrugs at US action at UN Navalny calls on Russia to return clothes he was wearing when he fell ill MORE will return from North Korea with three U.S. citizens currently imprisoned in the country, according to a South Korean official.

The official told South Korea's Yonhap News Agency that Pompeo was expected to secure the release of three prisoners being held by the country: Kim Dong Chul, Kim Sang Duk and Kim Hak Song. In addition, Pompeo is expected to return with the time and date of the proposed meeting between President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE and North Korean leader Kim Jong Un.

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"We expect him to bring the date, time and the captives," the unnamed official told Yonhap.

Pompeo arrived in the country Wednesday morning local time, as Trump told reporters that he hoped a deal could be reached to secure lasting peace with North Korea after months of escalating tensions over the country's nuclear missile program.

“Plans are being made. Relationships are building,” Trump said at the White House. “Hopefully, a deal will happen and, with the help of China, South Korea and Japan, a future of great prosperity and security can be achieved for everyone.”

Two of the men were taken captive last year, while Kim Dong Chul has been imprisoned since 2015.

Trump is expected to meet with North Korea's Kim later this year to discuss the possible denuclearization of the Korean Peninsula after North Korea and South Korea announced last month they would pursue talks to end the Korean War and the two nations began unprecedented cooperation.

The president shocked many in Washington and around the world earlier this year by accepting a meeting with Kim after months of tough talk directed at the North Korean leader. Trump nicknamed Kim "little rocket man" during a speech to the U.N. General Assembly last year and continued to attack Kim on Twitter for months before announcing the talks.