Tehran, April 27 -- At least 25 people were killed and 800 others injured in a huge explosion at a port on Saturday in Iran's southern province of Hormozgan, media reported Sunday. The exact cause of the incident has not been determined yet, the official news agency IRNA said. The explosion occurred at the Port of Shahid Rajaee in the provincial capital Bandar Abbas, after which rescue teams were immediately dispatched to the scene, and all port activities were suspended, the semi-official Tasnim news agency reported. In remarks to the semi-official Fars news agency on Sunday, Jalal Maleki, spokesman of the Tehran Fire Department, said the massive fire resulting from the blast had been almost contained, although there were still scattered f...