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Emergency officials in Boston mistakenly identified LED placards depicting characters from Aqua Teen Hunger Force as IEDs, causing a panic.

Related Wikipedia articles
Aqua Teen Hunger Force
American adult animated television series
Aqua Teen Hunger Force, is an American adult animated television series created by Dave Willis and Matt Maiellaro for Cartoon Network's late night programming block Adult Swim. The series is about the surreal adventures and antics of three anthropomorphic fast food items: Master…Source: Wikipedia (CC BY-SA)
Improvised explosive device
Unconventionally produced bomb
An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mechanism. IEDs are commonly used as…Source: Wikipedia (CC BY-SA)
2007 Boston Mooninite panic
2007 mass panic
On the morning of January 31, 2007, the Boston Police Department and the Boston Fire Department mistakenly identified battery-powered LED placards depicting the Mooninites, characters from the Adult Swim animated television series Aqua Teen Hunger Force, as improvised explosive…Source: Wikipedia (CC BY-SA)