Stun grenade

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A stun grenade, also known as a flash grenade, flashbang, thunderflash, or sound bomb,^[1] is a less-lethal explosive device used to temporarily disorient an enemy's senses. Upon detonation, a stun grenade produces a blinding flash of light and an extremely loud "bang". They are often used in close-quarters combat, door breaching, and riot control, typically to stun enemies or distract them.^{[citation needed]}

Stun grenades were first used by the British Army Special Air Service's counterterrorist wing in the late 1970s,^[2][3] and have been used by police and military forces worldwide since.^{[citation needed]}

Despite their less-lethal nature, stun grenades are still capable of causing harm, and can injure or kill when detonating in close proximity. They are also capable of sparking fires.^[4]