Syrian state television says the country's air defenses shot down missiles targeting its Shayrat airfield late on April 16.
State-run television showed images of an intercepted missile and called the attack an "aggression".
Pro-Iranian Hezbollah's media service separately reported that three missiles that were fired at Dumair military airport, northeast of Damascus, were intercepted by Syrian air defences.
A local reporter for The Arab News said Israeli warplanes were spotted in Syrian airspace just before the missiles were reported.
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State insiders with knowledge of the talks spoke on condition of anonymity because they were not authorized to discuss the matter. The other border-state governors - all Republicans - have openly embraced Trump's plans.
In Washington, Pentagon spokeswoman Heather Babb said: "There are no USA or coalition operations in that area".
An Israeli spokesman also said that "I'm not aware of such an incident".
Protection Secretary Mattis stated during the time that the Pentagon was careful to ensure the protection of Allied troops and also Syrian civilians inside the area and also that no follow-up attacks were planned.
Israel has struck Syrian army locations many times in the course of the conflict, hitting convoys and bases of Iranian-backed militias that fight alongside Syrian President Bashar al Assad's forces.
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Site of previous United States attack: The Shayrat airbase was the target of an April 2017 U.S. missile attack in response to an earlier chemical weapons attack by the Syrian government.
According to the Pentagon, US intelligence had established that the base was the launchpad for the alleged chemical attack.
Observatory chief Rami Abdel Rahman said missiles did not hit any of the air bases.
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Chris Brunt hit a corner kick in the 73rd minute against the Red Devils to set up the play. People may say they bought the title but plenty of teams have spent significant funds.