"A specially created commission to investigate the causes of the crash of the Su-30SM aircraft in the Karaganda region is considering all possible versions," RIA Novosti reports.
As noted, one of the most likely causes of the accident is the collision of a military aircraft with a flock of birds.
Earlier, the Su-30SM fighter crashed while landing in the training center of the city of Balkhash, Karaganda region of Kazakhstan, the pilots ejected.