An ammonia gas tank of a complex in the industrial park of Yazd, central Iran exploded on Tuesday evening for an unknown reason, followed by a massive fire.

Iran PressIran news: The explosion occurred at around 20:00 local time in an industrial complex.

Dozens of firefighters from most Yazd fire stations are at the scene, battling a large fire burning through buildings.

According to the Yazd Fire Department, the fire is huge and despite the efforts of the firefighters, it has not been extinguished.

No report has yet been published on the exact cause and the number of possible deaths and injuries in this incident.