The White House came under bipartisan pressure from both sides of the Capitol to provide weapons to Ukraine Thursday.
Republicans and Democrats on the Senate Armed Services Committee made a big push on the issue, while a bipartisan group of House members called for the same course of action in a letter.
"The United States must act with urgency to provide defensive lethal assistance to Ukraine," said Sen. John McCainJohn Sidney McCainBiden's year two won't be about bipartisanship Biden: A good coach knows when to change up the team These Senate seats are up for election in 2022 MORE (R-Ariz.), the chairman of the Armed Services Committee.
"Russia's invasion of sovereign territory of Ukraine, which has continued unabated in the face of political and economic sanctions, is the gravest threat to European security in decades," he said.
In an unusual display of bipartisan agreement, McCain was joined at the press conference by the committee's ranking member, Sen. Jack ReedJack ReedDefense bill sets up next fight over military justice Ukraine president, US lawmakers huddle amid tensions with Russia Photos of the Week: Tornado aftermath, Medal of Honor and soaring superheroes MORE (D-R.I.), and Sens. James InhofeJames (Jim) Mountain InhofeOvernight Defense & National Security — White House raises new alarm over Russia Biden sparks confusion, cleanup on Russia-Ukraine remarks Republicans say Mayorkas failed to deliver report on evacuated Afghans MORE (R-Okla.), Bill NelsonClarence (Bill) William NelsonJames Webb telescope reaches final destination a million miles from Earth Overnight Energy & Environment — Earth records its hottest years ever Global temperatures in past seven years hottest ever observed, new data show MORE (D-Fla.), Lindsey GrahamLindsey Olin GrahamSenators huddle on Russia sanctions as tensions escalate Juan Williams: It's Trump vs. McConnell for the GOP's future Biden's year two won't be about bipartisanship MORE (R-S.C.), Richard Blumenthal (D-Conn.), Kelly AyotteKelly Ann AyotteThese Senate seats are up for election in 2022 Biden's FDA nominee advances through key Senate committee The 10 races that will decide the Senate majority MORE (R-N.H.), Joe DonnellyJoseph (Joe) Simon DonnellyFormer Sen. Donnelly confirmed as Vatican ambassador Biden to have audience with pope, attend G20 summit Biden taps former Indiana Sen. Donnelly as ambassador to Vatican MORE (D-Ind.), Joni Ernst (R-Iowa), Mike Rounds (R-S.D.), Tom CottonTom Bryant CottonSunday shows preview: US reaffirms support for Ukraine amid threat of Russian invasion Senate's antitrust bill would raise consumer prices and lower our competitiveness Sinema scuttles hopes for filibuster reform MORE (R-Ark.) and Dan Sullivan (R-Alaska).
Meanwhile, the group of House lawmakers said that the administration needed to provide weapons to Ukraine to deter further Russian aggression.
"We are calling on the Administration to increase its support for Ukraine. Tighter sanctions and greater humanitarian assistance should be part of that support, but now, more than ever, the U.S. must supply Ukraine with the means to defend itself," they said in their letter.
Rep. Adam SchiffAdam Bennett SchiffMask rules spark political games and a nasty environment in the House CIA says 'Havana syndrome' unlikely a result of 'worldwide campaign' by foreign power The Hill's Morning Report - Biden to make voting rights play in Atlanta MORE (D-Calif.), ranking member on the House Intelligence committee, was the lead signatory on the letter. He was joined by more than 30 Republicans and Democrats.
The U.S. and Western allies slapped economic sanctions on Moscow after it invaded Ukraine and annexed its peninsula of Crimea last March, but the country has continued to arm and train pro-Russian rebels in Eastern Ukraine.
Secretary of State John KerryJohn KerryOvernight Energy & Environment — High court will hear case on water rule Kerry warns about efforts to blunt climate change: 'We're in trouble' Biden's second-ranking climate diplomat stepping down MORE said while visiting Ukraine on Thursday that President Obama is "reviewing all his options."
"Among those options obviously is the possibility of providing defensive systems to Ukraine," he said, according to the Associated Press.
However, he added, "We are not interested in a proxy war. Our objective is to change Russia's behavior."
The White House has so far turned down Ukraine's requests for weapons out of fear it would further provoke Russia, but has provided nearly $122 million in non-lethal military equipment to Ukrainian forces, such as blankets, body armor and meal packets.
The senators said the time has come to provide weapons as well, given gains by rebels in recent weeks and Russian President Vladimir Putin's violation of a ceasefire agreement.
"Blankets don't do very well against tanks," said McCain. Providing arms "will raise the risk and costs Russia must incur to continue its offensive," he said.
McCain said that since April, Russian-backed separatists in Ukraine have killed 5,358 Ukrainian forces, wounded 12,235 others and killed 224 civilians.
Reed said Ukrainian forces have fought courageously. "We must help Ukraine to defend itself against Russian aggression," he said.
"We cannot let Vladimir Putin get away with invading another sovereign country. ... This is what we should do, lethal assistance," Nelson added.
"We should always be on the side of struggling democracies," Graham said. "Helping a friend somewhere makes friends of America everywhere feel better."
Blumenthal called Putin "a thug."
"He has not responded to sanctions. Sanctions are not working," he said.
"He is the schoolyard bully," added Ayotte. "I am so glad we've come together on a bipartisan basis to do this."
Donnelly calle Ukraine a "friend" of the United States and said providing arms "is the least that we can do."
Meanwhile, the letter from the House members urged the administration to provide "a substantial amount of military assistance as soon as possible in 2015," and in the following years.
Lethal aid should include light anti-armor missiles, "given the large numbers of armored vehicles that the Russians have deployed in Donetsk and Luhansk and the abysmal condition of the Ukrainian military’s light anti-armor weapons," the letter said.
The letter was also signed by Reps. Steny Hoyer (D-Md), Michael BurgessMichael Clifton BurgessHouse clears bill to raise debt limit Democrats livid over GOP's COVID-19 attacks on Biden Maintaining the doctor-patient relationship is the cornerstone of the U.S. health care system MORE (R-Texas), Gerry ConnollyGerald (Gerry) Edward ConnollyDemocrats urge IRS to start with lowest-income Americans in clearing tax return backlog Biden to sign order to streamline government services to public Proposed Virginia maps put rising-star House Democrats at risk MORE (D-Va), Steve Chabot (R-Ohio), Rosa DeLauro (D-Conn.), Eliot Engel (D-N.Y.), Michael FitzpatrickMichael (Mike) G. FitzpatrickFormer Pennsylvania Rep. Fitzpatrick dead at 56 Pelosi: Mexico should not worry about Trump House lawmakers ask for answers on cooked ISIS intel allegations MORE (R-Penn.), Alcee Hastings (D-Fla.), Steve Israel (D-N.Y.), David Jolly (R-Fla.), Marcy Kaptur (D-Ohio), Mike Kelly (R-Penn.), John Larson (D-Conn.), Sander Levin (D-Mich.), Daniel Lipinsky (D-Ill.), Thomas Marino (R-Penn.), Michael McCaul (R-Texas), Tom McClintock (R-Calif.), Tim Murphy (R-Penn.), Mike Quigley (D-Ill.), Bill Pascrell (D-N.J.), Robert Pittenger (R-N.C.), Ted PoeLloyd (Ted) Theodore PoeSheila Jackson Lee tops colleagues in House floor speaking days over past decade Senate Dem to reintroduce bill with new name after 'My Little Pony' confusion Texas New Members 2019 MORE (R-Texas), Reid RibbleReid James RibbleFormer lawmakers sign brief countering Trump's claims of executive privilege in Jan. 6 investigation The Memo: What now for anti-Trump Republicans? Influential Republicans threaten to form new party MORE (R-Wisc.), Thomas Rooney (R-Fla.), Peter Roskam (R-Ill.), David SchweikertDavid SchweikertDemocrat says 'temporary' inflation will have lasting impact on small businesses Lawmakers spend more on personal security in wake of insurrection We must address the declining rate of startup business launches MORE (R-Ariz.), John Shimkus (R-Ill.), Adam SmithDavid (Adam) Adam SmithHillicon Valley — Shutterfly gets hacked Biden signs 8 billion defense bill Overnight Defense & National Security — Democrats spar over military justice reform MORE (D-Wash.), Steve Stivers (R-Ohio), and Michael Turner (R-Ohio). The non-voting member from Guam, Del. Madeleine BordalloMadeleine Mary BordalloThis week: Lawmakers return to mourn George H.W. Bush Guam New Members 2019 Overnight Defense: VA pick breezes through confirmation hearing | House votes to move on defense bill negotiations | Senate bill would set 'stringent' oversight on North Korea talks MORE (D), also signed.