Fire extinguisher in the early 60s and Purple-K being developed by the US Navy in the late 1960s. Manually applied dry agents such as graphite for class D (metal) fires had existed since WWII, but it wasn't until 1949 that Ansul introduced a pressurized extinguisher using an external CO2 cartridge to discharge the agent. Met-L-X (sodium chloride) was the first extinguisher developed in the US, with graphite, copper, and several other types being developed later. In the 1970s, Halon 1211 came over to the United States from Europe where it had been used since the late 40s or early 50s. Halon 1301
Bradford City stadium fire warmer; one of them ran to the back of the stand for a fire extinguisher but found none. A police officer shouted to a colleague for an extinguisher. However, his call was misheard and instead the fire brigade were radioed. The call was timed at 3:43 pm. However, the fire escalated rapidly and flames became visible, and so police started to evacuate the stand. The blaze began to spread; the roof and wooden stands were soon on fire. One eyewitness, Geoffrey Mitchell, told the BBC: "It spread like a flash. I've never seen anything like it. The smoke was choking.