LOS ANGELES (CBSLA) — Two brush fires were burning in the Central Los Angeles neighborhood of Elysian Park on Saturday evening.

Officials with the Los Angeles Fire Department reported at 4:55 p.m. that the first blaze was initially one acre and no structures were threatened.

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Minutes later, the LAFD said electrical wires were involved and on the ground, which poses a hazard to the firefighters on the scene. Additional crews were called in.

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The department dispatched 73 firefighters to the scene and extinguished the blaze in about an hour, officials said.

A second fire also started in Elysian Park a few miles away but officials were able to quickly extinguish it.

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There were no reported injuries and the cause of the fires is under investigation.