At least four civilians died after a MiG-21 fighter aircraft of the Indian Air Force (IAF) crashed in Hanumangarh district of Rajasthan on Monday. The pilot, who was in the aircraft, is safe, according to IAF sources. The fighter jet was doing a routine training sortie earlier in the day when it crashed. The pilot escaped unhurt and suffered minor injuries, the IAF said. An inquiry has been launched to probe the cause of the crash.