North Korean leader Kim Jong-un returned home Tuesday after a summit with U.S. President Donald Trump and an official visit to Vietnam last week, Pyongyang's news agency said.

Kim arrived in Pyongyang at around 3 a.m. by train after "successfully" wrapping up his official goodwill visit to Vietnam and the second North Korea-U.S. summit, according to the Korean Central News Agency.

Kim departed from Vietnam on Saturday after a five-day trip that included his second summit with Trump and an official goodwill visit to the Southeast Asian nation.

The KCNA's English news service, however, made no mention of the Trump summit. It was unclear if the omission is deliberate and related to the breakdown of the talks that had been widely expected to produce another nuclear deal following the one reached at the first Trump-Kim summit in Singapore last June.

Kim and Trump met in Hanoi on Wednesday and Thursday to discuss the dismantlement of the North's nuclear weapons program, but the highly anticipated summit ended without an agreement.

North Korea's leader Kim Jong-un arrives in Pyongyang on March 5, 2019, on his special train after his trip to Vietnam in this photo from the North's Korean Central News Agency. Kim met for a summit with U.S. President Donald Trump in Hanoi last week, but the two leaders did not sign an agreement that they had been expected to approve. (For Use Only in the Republic of Korea. No Redistribution)

After the summit, Trump said the talks ended without a deal because Pyongyang demanded the U.S. lift sanctions "in their entirety" while offering to denuclearize "less important" areas than the U.S. demanded.

North Korean Foreign Minister Ri Yong-ho later refuted the claim, saying they just asked for partial sanctions relief in exchange for permanently dismantling all fissile material facilities at the country's Yongbyon complex in the attendance of American experts.

The Hanoi meetings came eight months after Kim and Trump held their first-ever summit in Singapore last June that committed the two to the complete denuclearization of the Korean Peninsula.

The June summit has been criticized often for being long on promises but short on specifics.(Yonhap)

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