As always with events like this, there is very little information coming out about what may have happened to Caspian Airlines Flight 7908 today.  We are monitoring official media in Iran to determine what facts they are reporting on, as well as the official reaction to the accident.  As we translate information that comes out, we will post it for you here.
update: The New York Times is reporting that 168 are dead, with 153 passengers and 15 crew members.  No word yet on any governmental officials being on board, or any other motivitation to suspect foulplay.
update II: According to Parleman News, the member of the Iranian parliament representing the Armenian population was on board the plane, bound for Yerevan, the Armenian capital.