15 Minutes of Fireworks Explode in 15 Seconds

San Diego’s Fourth of July fireworks show is boasted as one of the largest in the USA, now it can take the claim as one of the shortest. A technical error led to nearly all of its fireworks igniting at once for a show that lasted about 15 seconds. Officials said in a statement posted to its event homepage that signals tested properly before the show, and the cause is under investigation… Oops!