Overnight on Monday, an Israeli strike in Syria resulted in the deaths of 15 Russians after a Syrian anti-aircraft missile struck the jet in response. On Tuesday, Israel "expressed regret" for the incident.Putin said Russia's response will be dictated toward securing the safety of Russians operating in Syria, Reuters reported.

Putin said Israel did not shoot down the plane.

Earlier, an Israeli diplomatic source said Prime Minister Benjamin Netanyahu was scheduled to have a phone call with Putin, but provided no further details. RIA, a Russian news agency, cited the Kremlin's spokesperson as saying Putin may have a call with Netanyahu on Tuesday.