President of Iran Mahmoud Ahmadinejad called to hold an emergent inquiry into the causes of TU-154 air crash which was heading from Tehran to Yerevan today. He expressed condolences to the state spiritual leader Ayatollah Ali Khamenei, families of the victims and the whole Iranian nation.

Deputy Governor of Qazvin province Sirous Saberi told ISNA that the military forces are searching for the plane's black box to determine the cause of the crash.

The Tupolev plane went down near Jannat-abad village near Qazvin at 11:33 am local time on Wednesday after it took off from the Iranian capital Tehran to fly to Yerevan in Armenia. All of 153 passengers and the crew of 15 on board are confirmed dead.