But Israeli officials said the Tiyas, or T-4, air base was being used by troops from Iran and that Israel would not accept such a presence in Syria of its arch foe.
Moscow said it warned the United States of "grave repercussions" if it carried out an attack against Syrian government forces.
According to the source, the Syrian air defense systems shot down eight missiles while repelling the attack.
Syrian state media are saying that dozens of civilians who had been held for years by a rebel group near the capital of Damascus have been set free.
Following the attack, the rebel group Jaish al-Islam gave way to a Syrian government demand that it accept safe passage out to rebel-held areas at the Turkish border.
"Without any grounds and without thinking about the consequences, the governments of the USA, the United Kingdom, and France are pursuing a confrontational policy towards Russia and Syria and are pushing the others toward this", Nebenzya was quoted as saying by Russian state-run news agency TASS. But weapons inspectors are not expected to go to Syria after being attacked twice while tying to get to the sites of chemical weapons attacks since 2013.
Mourinho thinks he and United deserve more respect
Mourinho said he was impressed by Pogba's display, adding: "I didn't even speak to him about what Pep and Raiola said". The Red Devils are on course to finish the runners up spot behind runaway Premier League leaders Manchester City .
SANA said the missile attack resulted in a number of casualties, but provided no specific figures.
Iran, a key ally of Assad, condemned the airstrikes, which it said killed four Iranians, including a colonel and a member of the Revolutionary Guard's aerospace force.
In April 2017, Trump ordered a strike on another Syrian air base, Shayrat, 70 kilometers (45 miles) west of T4, following similar allegations that Assad had used banned chemicals on civilians.
"Through the relevant channels we already conveyed to the USA that armed force under mendacious pretext against Syria - where, at the request of the legitimate government of a country, Russian troops have been deployed - could lead to grave repercussions", he said.
It was not initially clear who carried out the attack after both the US and France denied that they were responsible for the attack.
"The attack by the Zionist regime (of Israel) is a clear violation of global laws and is in line with the enforcement of terrorist groups", Iran's Foreign Ministry Spokesman Bahram Qasemi said.
Paris condemns Israeli army's 'indiscriminate fire' in Gaza
The incident occurred on Friday when the Israeli Army opened fire on protesters near the border with Israel, Efe news reported. Hamza Abd al-Al, 20, and photojournalist Yasser Murtaja , 30, who were shot on Friday, succumbed to their wounds on Saturday.
Up to 14 people died in the attack by Israeli F-15 warplanes on the T-4 air base in central Syria from the Lebanese airspace, it added.
"The U.S. envoy to the United Nations, Nikki Haley, said Washington "will respond" to the attack regardless of whether the U.N. Security Council acts".
The alleged attack on Saturday killed 40 in the rebel-held town of Douma, multiple opposition and rescue groups including told The Associated Press, which was unable to independently verify the reports.
However, Pentagon spokesman Christopher Sherwood denied playing part in the strike, confirming in a statement, 'At this time, the Department of Defence is not conducting air strikes in Syria'.
Russian Federation and Syria both offered during the U.N. Security Council meeting on Monday to take OPCW investigators to Douma.
In second blaze this year, a fire at Trump Tower kills resident
After the fire, Trump's former opposition to a law requiring sprinklers in residential high-rise buildings came under scrutiny. The Fire Department of the City of New York (FDNY) advised that an apartment resident had suffered serious injuries.