Major blast at South Iran port, kills four, injures more than 500 A powerful explosion ripped through a key port in southern Iran on Saturday, killing four people and injuring more than 500, state media said, with the cause of the blast not immediately clear. The customs office at the port said in a statement carried by state TV that it probably resulted from a fire that broke out at the hazmat and chemical materials storage depot. State media reported a “massive explosion” at Shahid Rajaee, the country’s largest commercial port, located...