In the middle of the night, at 1:30 in the morning of Friday, August 14th, there was a large explosion at the monster petrochemical facility of the Iranian Pars Petrochemical Company in Bandar Assaluyeh. It is the biggest such plant in Iran, and the second largest in the whole Middle East (second only to one in Saudi Arabia).
The explosion, which took place in pipes carrying Liquid Petroleum Gas (which is mostly propane), caused fires throughout the facility