They’re really not sure what happened last night, but it left a crowd of hundreds of thousands of people disappointed after a slight glitch in San Diego's biggest fireworks display. Right now they’re saying it was a technical problem that caused all of the fireworks to shoot off at once.

The result was a massive, but brief, show in which 20 minutes worth of fireworks lit up the sky for less than 30 seconds.

The display was advertised as the Big Bay Boom display in the Port of San Diego.