The Senate on Thursday failed to override President TrumpDonald John TrumpMulvaney: 'We've overreacted a little bit' to coronavirus Former CBS News president: Most major cable news outlets 'unrelentingly liberal' in 'fear and loathing' of Trump An old man like me should be made more vulnerable to death by COVID-19 MORE’s veto of legislation ending U.S. support for the Saudi-led war in Yemen.

Senators voted 53-45 on the attempt to override Trump’s veto, falling short of the 67 votes needed to be successful.

The resolution, which initially passed the Senate in March, requires Trump to withdraw any troops in or affecting Yemen within 30 days unless they are fighting al Qaeda.

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Trump vetoed the measure in April — marking the second veto of his administration and his second veto in roughly a month.

"This resolution is an unnecessary, dangerous attempt to weaken my constitutional authorities, endangering the lives of American citizens and brave service members, both today and in the future," Trump said in his veto statement.

Any veto override attempt was expected to fall short after the resolution passed the Senate initially with 54 votes. Because the Senate voted first on the measure, its failure to nix Trump’s veto effectively kills any override attempts on Capitol Hill.

Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellThe Hill's Morning Report - Presented by Facebook - Americans debate life under COVID-19 risks The 10 Senate seats most likely to flip Democratic leaders say Trump testing strategy is 'to deny the truth' about lack of supplies MORE (R-Ky.) urged his colleagues to vote to uphold Trump’s veto, arguing the War Powers Act wasn’t the right tool for lawmakers who have concerns about the U.S.-Saudi relationship.

“The War Powers Act is a blunt tool and not the right vehicle to diplomatically express concern about the behavior of close partners of the U.S,” McConnell said.

He added that the resolution would “make it actually more difficult to prevent the loss of innocent lives.”

GOP Sens. Susan CollinsSusan Margaret CollinsBottom line The Hill's Morning Report - Presented by Facebook - Americans debate life under COVID-19 risks This week: Surveillance fight sets early test for House's proxy voting MORE (Maine), Steve DainesSteven (Steve) David DainesThe 10 Senate seats most likely to flip Hillicon Valley: Tech companies lead way on WFH forever | States and counties plead for cybersecurity assistance | Trump weighing anti-conservative bias panel Memorial Day weekend deals latest economic blow to travel industry MORE (Mont.), Mike LeeMichael (Mike) Shumway LeeThis week: Surveillance fight sets early test for House's proxy voting White House withdraws ATF nominee after GOP pushback Hillicon Valley: Commerce announces new Huawei restrictions | Russian meddling report round five | Google's ad business in spotlight MORE (Utah), Rand PaulRandal (Rand) Howard PaulSunday shows preview: States begin to reopen even as some areas in US see case counts increase Congress headed toward unemployment showdown Doctors push Trump to quickly reopen country in letter organized by conservatives MORE (Ky.) and Todd YoungTodd Christopher YoungSave wildlife, save ourselves Bipartisan senators seek funding for pork producers forced to euthanize livestock The Hill's Coronavirus Report: Rep. Hurd says China engaged in global disinformation campaign; US unemployment highest since Great Depression MORE (Ind.) voted to override Trump's veto. 

Democrats acknowledged their efforts to override Trump’s veto would fall short. To be successful they would have needed to pick up 13 GOP senators to secure the 20 Republicans needed to buck Trump.

But supporters of the resolution argue that any vote, even if it fails, helps keep attention on the war in Yemen and pressure on the administration to try to improve the U.S.-Saudi relationship.

“Involvement in Yemen is far from being in the best interests of the United States. ... Every day it only becomes clearer and clearer that Saudi Arabia is not an ally that deserves our unwavering, unflinching, unquestionable support in military intervention,” said Sen. Mike Lee (R-Utah), who co-sponsored the resolution.

Sen. Chris Van HollenChristopher (Chris) Van HollenThe Hill's Morning Report - Presented by Facebook - Mnuchin: More COVID-19 congressional action ahead Economic fears deepen as US escalates tensions with China Pelosi says House is looking at bill that could delist some Chinese companies from US stock exchanges MORE (D-Md.) added that “instead of helping the Saudis with their nuclear program and instead of vetoing bipartisan legislation to hold the Saudi government and the crown prince accountable, the president should be actually reaching out on behalf of American interests.”

Saudi Arabia has emerged as a growing split between Trump and Congress in the wake of the slaying last fall of Washington Post contributor Jamal Khashoggi, who was a critic of the Saudi government.

Trump has refused to pin the blame of Khashoggi’s death on Saudi Crown Prince Mohammed bin Salman, saying in a widely panned statement late last year that “maybe he did and maybe he didn’t" order the slaying. Trump added that the U.S. "may never know all of the facts surrounding the murder" of Khashoggi.

Khashoggi was last seen entering the Saudi Consulate in Istanbul on Oct. 2. The Saudi government maintained that the killing was carried out by rogue agents as part of an interrogation that went off track — an explanation that has been met with heavy skepticism by lawmakers on Capitol Hill.

Trump’s stance has put him at odds with Republicans in Congress as well as his own intelligence community, which has reportedly determined that the Saudi crown prince ordered the killing of Khashoggi.

The Trump administration also dispatched officials to Capitol Hill to brief the Senate Foreign Relations Committee about its investigation, ordered by members of the panel last year, into Khashoggi’s death. But the closed-door briefing only infuriated Republicans, who characterized the meeting as a “waste of time” where they “learned very little.”

But frustrations with the U.S.-Saudi relationship spread beyond Khashoggi’s death.

Senators have tried to pass the Yemen resolution for years over concerns that Saudi Arabia wasn’t doing enough to limit civilian casualties with its strikes in Yemen. They’ve put a blockade on arms sales to Saudi Arabia and were able to successfully pass the resolution in December.

“So long as the United States participates in the military campaign with the Saudis, while not offering any meaningful pressure to get to a political settlement, we are complicit in those doubts. A quarter million people are going to die in the next several months inside Yemen from starvation and disease and malnutrition due to a military campaign that we are a part of,” Sen. Chris MurphyChristopher (Chris) Scott MurphySenators weigh traveling amid coronavirus ahead of Memorial Day Congress eyes changes to small business pandemic aid Top Democrat to introduce bill to limit Trump's ability to fire IGs MORE (D-Conn.) said on Thursday.

The only override of a veto from former President Obama was when Congress shot down his attempt to block legislation allowing families of 9/11 victims to sue Saudi Arabia in U.S. courts. The veto override passed the Senate 97-1.

Sen. Tim KaineTimothy (Tim) Michael KaineBipartisan senators introduce bill to make changes to the Paycheck Protection Program Overnight Defense: National Guard chief negative in third coronavirus test | Pentagon IG probing Navy's coronavirus response | Democrats blast use of Russia deterrence funds on border wall Overnight Defense: Navy secretary nominee: Service in 'rough waters' after 'failure of leadership'| Senate fails to override Trump's Iran war powers veto| Top Armed Services Republican expects to address Pentagon border wall funds in defense policy bill MORE (D-Va.) and Rep. Gerry ConnollyGerald (Gerry) Edward ConnollyDemocrats to probe Trump's replacement of top Transportation Dept. watchdog The Postal Service collapse that isn't happening Postal Service to review package fee policy: report MORE (D-Va.) also reached out to Secretary of State Mike PompeoMichael (Mike) Richard PompeoChinese state media: Wuhan conducted 6.5 million coronavirus tests in 9 days The Hill's Morning Report - Presented by Facebook - Americans debate life under COVID-19 risks The 10 Senate seats most likely to flip MORE earlier this year about a Virginia resident who had been detained in a Saudi prison, where she had been electrocuted and beaten.

"I just think that Saudi Arabia should stop electrocuting American citizens," Murphy said when asked if Saudi Arabia was trying to improve its relationship with the United States. "That would get them some good graces with the American public."