Power restored after underground explosion leaves thousands in dark near downtown LA

DOWNTOWN LOS ANGELES (KABC) -- An underground electrical vault exploded in downtown Los Angeles on Thursday, sending flames and sparks into the sky and temporarily knocking out power for thousands of Angelenos.

The explosion happened just before 9 p.m in the area of Margo Street and Pico Boulevard., but nobody was hurt.

Officials say about 7,000 power customers were affected in the neighborhoods of Echo Park, Silverlake and East Hollywood.

City power crews managed to restore power in the area overnight.

A cause for the explosion was not determined.