Kazakhstan's Deputy Prime Minister Kanat Bozumbayev has said that the cause of the Azerbaijan Airlines plane crash cannot be established just yet, and the incident is far from a conclusion. While, Azerbaijani President Ilham Aliev has said that a criminal case had been brought over the passenger plane crash. In another development, Japan Airlines has said its systems have returned to normalcy, with same-day ticket sales resuming, after a cyberattack delayed some domestic and international flights. The airlines were hit by a cyberattack that caused delays to some domestic and international flights. Watch NDTV's The World Report for the latest updates.