Visitors at the Standard Hotel in Downtown Los Angeles were evacuated Thursday night after a small explosion was reported on top of the high-rise hotel, firefighters said.
The explosion was reported around 9:30 p.m. at the hotel on 550 South Flower Street, according to the Los Angeles Fire Department.
Firefighters said water from the rooftop pool began leaking into the electrical system, which triggered a small explosion. Smoke from the explosion then set off the sprinkler system on the 12th floor.
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About 50 firefighters responded to the scene and the top three floors of the hotel were evacuated for safety.
Firefighters said the hotel employees and visitors followed proper evacuation protocol.
Around 10:30 p.m., firefighters reported they were removing water from the 10th to 12th floors.
No injuries were reported.