France declassified a report on Saturday laying out evidence that officials said proves that a chemical attack in Syria last week was carried out by the government of President Bashar Assad.

The report claims that several chemical strikes were carried out in the Damascus suburb of Douma on April 7, and that symptoms experienced by the victims — skin burns, suffocation and other breathing difficulties, among other markers — were consistent with the effects of chlorine gas.

"Reliable intelligence indicates that Syrian military officials have coordinated what appears to be the use of chemical weapons containing chlorine on Douma, on April 7," the report, released by the French Foreign Ministry, reads.

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The report also states that the Syrian government has carried out a number of chemical weapons strikes since April 4, 2017 — the same day a chemical attack in Syria's northern Idlib province left more than 80 civilians dead.

The U.S. issued an assessment on Friday night pointing to the Syrian government's role in the alleged chemical attacks in Douma.

That report cites "multiple media sources, the reported symptoms experienced by victims, videos and images showing two assessed barrel bombs from the attack, and reliable information indicating coordination between Syrian military officials before the attack."

The assessment also suggests that the Syrian government not only used chlorine in the attack on Douma, but that reported symptoms were also consistent with exposure to sarin, a deadly nerve agent.

The French and U.S. assessments came hours after leaders in Washington, Paris and London authorized "precision strikes" on targets in Syria believed to be associated with the country's chemical weapons arsenal.

Syria and its allies, Russia and Iran, have denied that Assad's government used chemical weapons, and have sought to blame both foreign actors and militant groups for staging the attacks in Douma.

Russia has accused the U.S. and its allies of failing to produce adequate evidence of the Syrian government's role in the chemical attack.

The Organization for the Prohibition of Chemical Weapons, the international chemical weapons watchdog, launched an investigation into the alleged chemical strikes on Douma on Saturday.

The allied strikes on Friday were cast by U.S. officials, not as a punishment for Assad's government, but as a means to eradicate Syria's chemical stockpile and production capabilities.

Lt. Gen. Kenneth McKenzie, the director of the Joint Staff, said Saturday that while the allied attacks dealt a blow to Syria's chemical weapons program, Damascus likely retained "residual" elements of its chemical arsenal.

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 and other U.S. officials have said that they are prepared to take further action in Syria, unless Assad's government ceases its alleged use of chemical weapons.