>> Russian ships and helicopters looking for wreckage of a military jet that crashed into the Black Sea Sunday morning. The plane en route to a Russian airbase in Syria was carrying 92 passengers and crew, according to officials. All aboard are presumed dead. Among them, 60 members of the renowned Red Army Choir, including musicians and dancers set to entertain troops in the run up to the New Year.
The high profile philanthropist Elizaveta Glinka is also believed to have been on board. So were nine Russian journalists. Russia's defense ministry says the Soviet-era jet disappeared from radar screens at about 5:30 Moscow time, just minutes after taking off from Sochi where it had stopped to refuel.>>
>> President Vladimir Putin declaring Monday would be a day of national mourning, and ordering an investigation into the cause of the crash. A Kremlin spokesperson says it's too early to say what caused the plane to go down, one source telling Russian news agencies a militant attack had been ruled out.