Algeria can only regret the strikes.
The three allies have produced a draft United Nations resolution which also includes proposals for an independent investigation into alleged toxic gas attacks to identify perpetrators.
Egypt also voiced its concern about the latest military escalation in Syria, saying it would negatively affec t the safety of Syrian people.
A senior opposition figure, Nasr Hariri, said the attacks were welcome but only reinforced the message that while it is not okay to use chemical weapons, the regime can continue to "use explosive barrels and cluster bombs" with impunity.
"Egypt totally rejects the use of any internationally prohibited weapons on Syrian territories, demanding a transparent worldwide investigation", the statement read. Russian Federation said on Saturday it would consider supplying S-300 surface to-air missile systems to Syria following the Western strikes, but this was not discussed at the meeting with Assad, agencies reported.
Orders from President Donald Trump to launch airstrikes in Syria is drawing mixed reactions in Chicago.
Russian Federation failed to win a vote in the UN Security Council on Saturday condemning the "aggression" of the US-led strikes on Syria.
"But I believe it should also be a message to others that the global community is not going to stand by and allow chemical weapons to be used with impunity".
Mrs May insisted the decision to deploy British cruise missiles in response to the chemical attack in Douma was "both right and legal".
The latests strikes suggest that Trump may have reset America's red line for military intervention in Syria over the use of chemical weapons.
Russia, whose ties with the West have sunk to levels of Cold War-era hostility, denies any gas attack happened in Douma and even said Britain staged it to whip up anti-Russian hysteria. More so, as it is also clear that there is some division in the USA administration about the "sustainability" of these attacks.
She spent the evening calling world leaders, including key regional figures such as Saudi Crown Prince Mohammad Bin Salman, King Abdullah of Jordan, and President Recep Tayyip Erdogan of Turkey, to explain why she had ordered British military involvement in the US-led strikes.
"With the political and diplomatic actions that we're taking now, we wanted their friends Iran and Russian Federation to know that we meant business and that they were going to be feeling the pain from this as well", she said.
This was the second strike against Syria in a little over a year, in response to the second alleged use by the Government of a poison gas against its citizens.
"A perfectly executed strike last night", Trump said in a tweet yesterday.
The Russians and Syrians claimed they shot down dozens of these missiles, but the Pentagon says the Russian guns remained silent during the attack.
Those strikes, coordinated with France and Britain, damaged three facilities controlled by the Syrian regime of dictator Bashar al-Assad.
Barnes, who joined the protest on Saturday, said he did not believe that military attacks will solve the problem in Syria and viewed the United States military action as a disingenuous one, reports Xinhua news agency. The United States and its allies "were not going to let that stand", she said, adding that Mr. Trump had told her that the United States was "locked and loaded" and ready to strike again should Syria use banned weapons again.