The accident happened in California
Turkish news agency Demiroren Haber Ajansi reported it was shot down by pro-Turkish rebel forces
The rider suffered a broken back among other injuries
There were reportedly some 167 passengers and crew on board none of which survived
The fighter jet crashed during factory tests
All six helicopter crew members survived and no one has been seriously injured
"The country is currently dealing with the results of several problems stemming from the public and the administration"
He was the founder of the "Museum of Russian Icons"
The cause of the accident, which also injured three others, is not yet known
A military statement confirmed the dead include five soldiers