Itar-Tass ^[1]is now reporting the two missing Russian Tupolev aircraft have crashed and that terrorism may be involved:

The incidents may have been the result of terrorist attacks, Itar-Tass cited unidentified air traffic controllers as saying in Moscow. Yevegeniy Khorishko, a spokesman for the Russian embassy in Washington, said in a telephone interview Russian reports said the aircraft left Moscow’s Demodedovo airport within three minutes of each other.

I flew out of Demodedovo (Moscow’s second airport) a year and a half ago on my way to Khanty-Mansisk, Siberia ^[2](yes, you read that correctly). I remember thinking the airport was on the disorganized side at the time.