ASTANA. February 20. KAZINFORM - Defence Minister of Kazakhstan Daniyal Akhmetov interrupted a working trip to the United Arab Emirates (Abu-Dhabi) and will personally control the investigation of MiG-31 fighter jet’s crush in consequence of which both crew members died, Kazinform refers to the press service of the Kazakh Defence Ministry. As earlier reported, a two-seater MiG-31 fighter jet of the Kazakh Air Force crashed in the Karaganda Region on Friday evening.