A massive fireball erupted at a waste facility in Sydney, Australia, on Saturday, shooting flames nearly 500 feet in the air. According to Fire and Rescue New South Wales, the inferno caused a large chemical tank to be blown into the air and fist-sized chunks of concrete blocks to rain down on firefighters. Two of those responders suffered minor injuries. FRNSW said it was “one of the biggest fires seen in western Sydney for many years.” The cause remains under investigation as locals have been