Authorities investigated reports of an explosion in Otay Mesa Tuesday.
The explosions were reported on Darwin Way and Tico Court at 2:30 a.m.
Residents said they woke up to noise that sounded like fireworks.
Eight units from the San Diego Fire and Rescue Department responded including the bomb squad.
As of 4 a.m., fire units cleared the scene.
10News learned no bomb devices were found.