Fire extinguisher useful in fighting fires with a particular group of fuel. Specifications for fire extinguishers are set out in the standard AS/NZS 1841, the most recent version being released in 2007. All fire extinguishers must be painted signal red. Except for water extinguishers, each extinguisher has a coloured band near the top, covering at least 10% of the extinguisher's body length, specifying its contents. In Australia, yellow (Halon) fire extinguishers are illegal to own or use on a fire, unless an essential use exemption has been granted, this is due to the ozone-depleting nature of halon. According to the standard BS
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.