The Syrian government on Saturday lashed out at President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's decision to order airstrikes against chemical weapons production facilities in the country, calling it an act of "barbaric aggression."

Syria's foreign ministry said the strikes would not "affect in any way the determination and insistence of the Syrian people and their heroic armed forces,” The Washington Post reported, citing state news agency Sana.

The official Twitter account for Syrian leader Bashar Assad also posted a brief video Saturday morning showing him walking calmly through a marble corridor toward what Post said was his office, with birds heard chirping in the background.

ADVERTISEMENT

Meanwhile, Assad's allies Russia and Iran on Saturday condemned the U.S., France and Britain for launching around 120 missiles at targets in Syria that they said were associated with the government's chemical weapons efforts.

Gen. Joseph Dunford, the chairman of the Joint Chiefs of Staff, said the strikes targeted three chemical weapons facilities near the Syrian capital of Damascus and the city of Homs, roughly 100 miles north.

Defense Secretary James Mattis James Norman MattisBiden courts veterans amid fallout from Trump military controversies Trump says he wanted to take out Syria's Assad but Mattis opposed it Gary Cohn: 'I haven't made up my mind' on vote for president in November MORE stressed that the strikes were aimed at crippling the Syrian government's chemical weapons capabilities and were meant as a warning to Assad following an apparent chemical weapons attack in the Damascus suburb of Douma last weekend that left dozens of people dead.

“Clearly the Assad regime did not get the message last year,” Mattis told reporters at the Pentagon, referring to the retaliatory U.S. strike last year on a Syrian air base after a previous chemical attack. “This time our allies and we have struck harder.”

Trump ordered the strikes Friday after a week of deliberation and discussions with British Prime Minister Theresa May and French President Emmanuel Macron.

Trump characterized the military action Friday night as "precision strikes" following last weekend's "significant escalation" of the Syrian government's efforts to hurt its own people.

"These are not the actions of a man; they are crimes of a monster instead,” Trump said, blasting Assad.

Still, some U.S. lawmakers criticized the president's decision to again approve strikes in Syria, arguing Trump should secure approval from Congress for such a move.