Senate Minority Leader Charles Schumer Chuck SchumerPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' 3 reasons why Biden is misreading the politics of court packing Cruz blocks amended resolution honoring Ginsburg over language about her dying wish MORE (D-N.Y.) is throwing his support behind a push to block part of President Trump's $110 billion arms sale to Saudi Arabia.

“The human rights and humanitarian concerns have been well documented and are important: of equal concern to me is that the Saudi government continues to aid and abet terrorism via its relationship with Wahhabism and the funding of schools that spread extremist propaganda throughout the world," Schumer said in a statement.

The Senate is expected to vote this week on a resolution of disapproval from Sens. Rand Paul (R-Ky.), Chris Murphy (D-Conn.) and Al Franken (D-Minn.) that would block a small part of the deal signed by Trump during his recent visit to Riyadh.

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Schumer's backing is a boon for supporters of the new resolution. He previously voted to set aside a similar resolution in 2016.

The senators want to block the sale because they believe selling weapons to Saudi Arabia will worsen the civil war in Yemen, where Saudi Arabia is leading a coalition supporting the ousted government.

Under a frequently overlooked provision in the Arms Export Control Act, lawmakers can force a vote on a deal after 10 calendar days.

The resolution is expected to fail, but Murphy told reporters late last month that they would have "significantly more support" than the 2016 resolution.