Israel's foreign ministry reportedly raised questions in a recent classified report about 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's upbeat assessment of his Tuesday summit with North Korean leader Kim Jong Un.

Axios reported Thursday that the Israeli report makes a point of noting that a brief document signed by Trump and Kim fails to commit the North to "full, verifiable, irreversible denuclearization," which has long been Washington's position.

Instead, the agreement calls for "complete denuclearization." 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 told reporters on Wednesday, however, that the agreement still commits the North to the total nuclear disarmament demanded by the U.S.

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The report from the Israeli foreign ministry also raised questions about Trump's decision to suspend joint military drills with South Korea after his meeting with Kim.

The announcement marked a dramatic reversal from the United States's past rejection of China's "freeze-for-freeze" proposal, which called for an end to the military exercises in exchange for a cease to the North's weapons tests.

"Regardless of the smiles in the summit many in Japan, South Korea and the U.S. Congress doubt that North Korea is sincere in its intentions," the Israeli report stated, according to Axios, which said it obtained a copy of the report. "Our assessment is that regardless of President Trump's statements about quick changes that are expected in North Korean policy, the road to real and substantive change, if it ever happens, will be long and slow."

Trump has touted his meeting with Kim as a historic move that significantly lessened tensions with Pyongyang. On Wednesday, he declared that the North is no longer a nuclear threat.

But others have raised questions about that claim, pointing to the lack of substance in the agreement signed Tuesday. The document committed the U.S. to unspecified security guarantees for North Korea in exchange for the denuclearization of the Korean Peninsula.

Many have noted that Pyongyang has vowed in the past to denuclearize but has broken that promise repeatedly.

Retired Adm. Harry Harris, Trump's pick to serve as ambassador to South Korea, challenged Trump's claim that North Korea no longer poses a nuclear threat to the world, saying Thursday that "we have to continue to worry about that."