Calgary police release surveillance video of assault and shooting involving flare gun

new explain_ on Instagram: "A flare gun is often used in gas fields to safely ignite excess gases released through flare stacks. When pressure builds up in the system, operators discharge a burning flare cartridge toward the gas stream. The intense heat from the flare instantly ignites the highly combustible hydrocarbons, allowing the gas tower to burn off trapped or excess fuel in a controlled manner. This process prevents dangerous pressure buildup, reduces explosion risk, and ensures safe dis