Facing criticism from all corners over his sudden decision to withdraw American forces from Syria, Donald Trump came to his own defense Thursday in a barrage of tweets. “Getting out of Syria was no surprise,” he wrote, adding that Russia is “not happy” about the move. (In fact, his decision shocked both foreign allies and members of Trump’s own staff, and Vladimir Putin appears to be very happy about the U.S.’s planned withdrawal, which has been interpreted by some as yet another concession to the Russian strongman.) The president added that it is now up to other nations to combat ISIS, despite having declared the terrorist organization “defeated” on Wednesday, in his rationale for the pullout.

Trump’s tantrum came as he faced blowback from even his Republican allies. In a Wednesday meeting with Vice President Mike Pence, who was dispatched to liaise with lawmakers after the news broke, Senator Lindsey Graham said he was “personally offended” to have learned of the withdrawal in the news. “We’re going to hold the administration accountable for this decision,” he recalled telling Pence. “If Obama had done this, all of us would be going nuts because it’s such a bad idea. . . . [Trump is] the commander in chief, but he needs to be held accountable for his decisions. And I want hearings as soon as possible.” Together with Republicans Marco Rubio, Tom Cotton, and Joni Ernst; Democrat Jeanne Shaheen; and Independent Angus King, Graham signed a letter to the president flaming the move, and urging Trump to reconsider.

Rubio, too, took up the cry, calling the decision a “major blunder,” and telling Politico “I hope they reverse it. Because if not, I think it will haunt this administration.” G.O.P. Senator Cory Gardner, typically a staunch Trump ally, urged to “immediately halt” the withdrawal, and even Mike Huckabee, the father of the White House’s own press secretary, chimed in to express his disapproval. Senator Bob Corker, who chairs the Senate foreign-relations committee, was happy neither with Trump’s decision to withdraw the troops, nor with being stood up at the White House as he waited to meet with the president. “It’s hard to imagine that any president would wake up and make this kind of decision with this little communication, with this little preparation,” he told NBC News.

Trump, of course, has been pissing off many of his allies recently, most notably as he seemingly concedes to Chuck and Nancy over the funding for his “big, beautiful wall,” an apparent loss that seemed to turn even the Fox & Friends crew against him. For the president, who appears increasingly isolated from both top-ranking officials in his administration and now from his allies on Capitol Hill, the defections could not come at a less opportune moment. With investigators’ footsteps growing louder behind him, and a new Democratic House set to take over in just a few short weeks, he will likely need all the friends he can get.