The good thing is that Black Boxes have been recovered in good condition. Thats the only way to find out the real cause. There were so many Plane accidents in this year. Hope next year will be safe..
But the intelligence agencies can conceal the truth in the name of national interest so we will only know what our governments want us to know and believe.
Now they are denying any IS involvement and few days ago they issued this warning.
" The Federal Aviation Administration
has long warned U.S. airlines against
flying over the Sinai becuase of the
risk of hazards from extremists. The
latest warning March 30 advised
airlines to fly at least 26,000 feet
above the Sinai, to stay out of range
of anti-aircraft weapons, mortars,
rockets and small-arms fire around
airports on the peninsula."