A Russian military jet carrying 14 servicemen vanished from radar over the Mediterranean Sea late Monday as Syria came under attack by Israeli missiles.Russia’s defence ministry said  that the aircraft disappeared from radar screens over Syria at the same time that French forces were mounting aerial attacks on targets in Syria. However, a spokesman for the French military denied any French involvement in the disappearance of the plane on Tuesday US official with knowledge of the incident believes that the plane was accidentally shot down by the Syrian regime’s anti-aircraft artillery after the Syrians came under fire by Israeli missiles.The report states that the US found out about the incident because Syrian forces had broadcast an emergency search and rescue radio call on an international frequency.