Mobile phone footage circulating online appeared to show the Azerbaijani Airlines plane making a steep descent before slamming into the ground in a fireball in western Kazakhstan.

The Embraer 190 aircraft was supposed to fly northwest from the Azerbaijani capital Baku to the city of Grozny in Chechnya in southern Russia, but instead diverted far off course across the Caspian Sea.

Dramatic video shows an Azerbaijan Airlines plane hitting the ground and bursting into flames near the city of Aktau in southwestern Kazakhstan. Dozens of passengers were killed, but video from the crash site also shows some of the survivors were able to walk away from the wreckage.

Dozens of people have survived a crash involving a plane carrying 67 people in Kazakhstan, local officials say. Kazakh authorities said 38 people were killed in the crash. Azerbaijan Airlines flight J2-8243 caught fire as it attempted to make an emergency landing near the Kazakh city of Aktau.

Azerbaijani President Ilham Aliyev said at a news conference that it was too soon to speculate on the reasons behind the crash, pointing to bad weather as the reason the plane diverted from its original course. "This is a great tragedy that has become a tremendous sorrow for the Azerbaijani people," he said.

At least 29 people survived after a plane crashed near the Kazakh city of Aktau on Wednesday. Dozens of others are feared dead. Eyewitness video shows dazed passengers emerging from the wreckage and others being pulled out.

Dozens were feared dead Wednesday after a passenger plane carrying 67 people from Azerbaijan to Russia crashed in Kazakhstan, authorities said.

An Azerbaijani airliner with 67 people onboard crashed Wednesday near the Kazakhstani city of Aktau, killing 38 people and leaving 29 survivors, an official said.