An Azerbaijani airliner carrying 67 people crashed in southwestern Kazakhstan on Wednesday, killing at least 38 who were on board, according to Kazakh authorities. In a sprawling rescue operation, 29 survivors including two children were pulled from the wreckage near the city of Aktau,

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.

Kazakhstan's senate chairman said on Thursday that the cause of the Azerbaijan Airlines plane crash was still unknown. "None of these countries - neither Azerbaijan, Russia nor Kazakhstan - is interested in hiding information.