President TrumpDonald John TrumpTrump marks 'very sad milestone' of 100K coronavirus deaths DOJ: George Floyd death investigation a 'top priority' Lifting our voices — and votes MORE said his order to launch the drone strike that killed Iranian Gen. Qassem Soleimani came amid pressure from Senate Republicans he views as key allies in his upcoming impeachment trial, The Wall Street Journal reported and The New York Times reported this week.

The articles did not name the GOP senators, but many of Trump's allies in the Senate, including Sen. Lindsey GrahamLindsey Olin GrahamThe Hill's Morning Report - Presented by Facebook - US virus deaths exceed 100,000; Pelosi pulls FISA bill Frustration builds in key committee ahead of Graham subpoena vote  GOP senators urge Trump not to restrict guest worker visas MORE (R-S.C.), have praised his decision to take out the Quds Force commander in Baghdad.

Graham, an Iran hawk who is also chairman of the Senate Judiciary Committee, has been outspoken in his support of Trump's strike on Soleimani and in his opposition to Trump's impeachment.

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The New York Times reported that Trump said on a phone call that he had been under pressure by some Senate Republicans to take a harder line on Iran.

Though many GOP senators have voiced their support for Trump's actions in Iraq, three House Republicans on Thursday voted with Democrats on a measure to limit the president's military powers. Among them was Rep. Matt GaetzMatthew (Matt) GaetzTrump to order review of law protecting social media firms after Twitter spat: report On The Money: US tops 100,000 coronavirus deaths with no end in sight | How lawmaker ties helped shape Fed chairman's COVID-19 response | Tenants fear mass evictions Hillicon Valley: House FISA bill in jeopardy | Democrats drop controversial surveillance measure | GOP working on legislation to strip Twitter of federal liability protections MORE (R-Fla.), one of the president’s biggest supporters during the House impeachment hearings.

Some Senate Republicans have also pushed back on Trump's military authority. Sen. Rand PaulRandal (Rand) Howard PaulTrump urges GOP to vote against bill reauthorizing surveillance powers Sunday shows preview: States begin to reopen even as some areas in US see case counts increase Congress headed toward unemployment showdown MORE (R-Ky.) in particular has questioned the administration's use of a 2002 authorization as the basis for the drone strike in Baghdad that killed Soleimani.