Sen. Mazie Hirono Mazie Keiko HironoManchin defends Supreme Court candidate Barrett: 'It's awful to bring in religion' Democrats shoot down talk of expanding Supreme Court Democrats unveil plan declaring racism a public health issue MORE (D-Hawaii) said Tuesday that she believes President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE is acting in Russian President Vladimir Putin's interest by withdrawing from the Intermediate Range Nuclear Forces Treaty (INF).

"[Trump] is very much on the [same] page with Putin and his announcement that we're going to withdraw from the INF is yet another, in my view, gift to Putin," Hirono told CNN's "Situation Room" Tuesday night.

"Because I think Putin would like that to happen so that he can be unfettered in his aggression."

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Russia has decried Trump's move a form of "blackmail" on the part of the U.S.

The Kremlin has also called it a "dangerous stance" on the part of the White House and said the country will act to "restore balance" if the U.S. truly withdraws.

The White House says that Russia has repeatedly broken the treaty, which Russia denies, and that the U.S. will not begin developing more advanced nuclear missiles previously prohibited under the deal.

Critics of the deal say it only diminishes U.S. military strength while allowing China and Russia to develop more powerful missiles.

"[Russia's] decision to violate the INF Treaty and other commitments all clearly indicate that Russia has rebuffed repeated U.S. efforts to reduce the salience, role, and number of nuclear weapons,” the administration wrote in a nuclear strategy document earlier this year.

Sen. Mazie Hirono says that the US withdrawing from the nuclear non-proliferation treaty is a "gift to Putin. Because I think Putin would like that to happen so that he can be unfettered in his aggression." https://t.co/mD9DKiatKH pic.twitter.com/DJdAOtXDbo — The Situation Room (@CNNSitRoom) October 23, 2018

Hirono said Tuesday that Trump's announcement of the decision is an example of what is wrong with his brand of foreign policy.

"This is yet another example of how President Trump makes these kinds of announcements without consulting certainly with Congress and definitely with our allies so our allies both in Europe and in Asia are both very concerned about where he's going," Hirono said.

She did not specify which allies had expressed fears regarding the U.S.'s withdrawal.

"We don't need another nuclear arms race to proceed a pace and then to encourage other countries to become very, to develop these kinds of capabilities also," Hirono added. This is not what we need."