Apparent underground site in Masyaf related to nearby research center that is repeatedly targeted hit in Friday's airstrikes, claims imaging service

State media claims a large number of missiles launched by jets over Masyaf; footage shows fire at site in area thought controlled by Iran-backed forces

State media doesn't attribute alleged aerial assault to any country; Iran-backed militia known to be operating in area of strike; no immediate reports of casualties

Syrian state media claims air defenses responded to 'Israeli aggression' near capital, as alleged attacks in Russia-dominated airspace continue despite tensions over Ukraine

No confirmation of assertion in state media by senior Russian military official, in comments made the same day Moscow lashed out at Israel over its statements on Ukraine invasion

Attacks attributed to Israel in Russia-dominated airspace continue after outbreak of Ukraine war, some tension with Moscow

Air force officials say prospective deal would counter Iranian drone and missile threat; reveal Israeli aircraft carried out 408 missions around northern border in recent years

Israel 'will pay for this crime,' Revolutionary Guard says, following airstrike near Damascus that reportedly targeted a weapons and ammunition depot operated by Iran

Embassy says cooperation is daily and 'useful,' indicates condemnation over Ukraine invasion won't influence Syrian arrangement

Amid fears Russia may invade Ukraine, report says close ties between Jerusalem, Washington could jeopardize coordination with Moscow vis-a-vis efforts to counter Iran