Iranians gather at the edge of a crater where a Caspian Airlines plane crashed into farmland near Qazvin, northwest of Tehran. The Iranian airliner en route to Armenia crashed, killing all 168 people on board. (Khalil Emami / AFP/Getty Images)
A part of the tail of the Caspian Airlines plane is seen at the crash site today. (Sina Shiri / AFP/Getty Images)
Iranian workers search through the debris at the crash site. (Atta Kenare / AFP/Getty Images)
Iranians gather at the crash site. (Sina Shiri / AFP/Getty Images)
A police officer asks onlookers to leave the area as smoke billows from the crash site near the city of Qazvin. (Sina Shiri / AFP/Getty Images)
An Iranian firefighter extinguishes flames at the crash site. (Sina Shiri / AFP/Getty Images)
An Iranian man stands next to debris from the Caspian Airlines plane. (Atta Kenare / AFP/Getty Images)
Debris from the Caspian Airlines crash. (Atta Kenare / AFP/Getty Images)