Los Angeles, July 1 : An electrical transformer exploded at the premises of the Warner Bros. Studios in Burbank, California, causing a brief fire which led to black smoke in the area, authorities said.

Burbank Fire Department Battalion Chief Dave Burke told Deadline it was a transformer fire and it’s out. The first call came at 1:38 p.m. PT, and the fire was knocked down within 30 minutes. There was no damage to buildings and no injuries reported.  Sources told Deadline that power had gone out, and there are images of dark smoke emanating from the lot.