North Korean state media on Sunday reportedly blamed Democrats and U.S. intelligence officials for undercutting this week's summit 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 Kim Jong Un.

According to Reuters, state news agency KCNA accused the two groups of "chilling the atmosphere" before the two leaders meet in Hanoi, Vietnam, on Wednesday and Thursday.

“The Democratic Party of the U.S. and other opponents to the negotiations move overtly and covertly to disrupt them as supported by skepticism backed by all sorts of groundless stories and misinformation even at such a crucial moment as now,” state media said, the news service reported.

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The commentary, which was published under the name Jong Hyon, reportedly warned that critics of the talks between Trump and Kim could expose Americans to "security threats."

Trump has been exceedingly optimistic heading into his second meeting with Kim. He has suggested North Korea could become an economic power if it abandoned its nuclear arsenal, and on Sunday morning said the two leaders "expect a continuation of the progress made at first Summit in Singapore."

The president has previously said he'd like to see denuclearization of the Korean Peninsula, but that he's in "no rush" to make that happen.

Trump's positive outlook on a possible deal with North Korea contrasts the findings of his own intelligence officials, who said at a congressional hearing last month that it was unlikely Pyongyang would give up its nuclear weapons.

Democrats expressed concerns in the wake of the last summit that Trump had given up too much in exchange for few concrete assurances.

It's unclear what specifics might come from this week's meeting, as senior administration officials provided few answers during a call with reporters on what to expect.

The officials did indicate a priority for the summit is reaching an agreed definition of denuclearization, something that negotiators have yet to establish.