Trees caught fire at the Hollywood Bowl as people were leaving following a "Sound of Music" singalong Saturday evening.
The Los Angeles Fire Department quickly arrived at the scene and rushed to put out a small cluster of palm trees that had caught on fire. LAFD asked the California Highway Patrol to close a lane of traffic.
LAFD wrote on Twitter that the venue was not endangered, and no injuries were reported. The department said the fire only involved vegetation.
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"That somewhat stubborn fire near the @HollywoodBowl, our 1,423rd emergency of the day, thankfully involves only vegetation, and has not risen to the level of issuing an @LAFD ALERT," LAFD wrote.
One concertgoer, Twitter user @ScotyAppleseed told, Fox News Digital, "I am praying that everyone is safe. [L]ots of families with kiddos go to that sing along event - that was scary!"
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The cause of the fire was not immediately known and attendees said flames appeared out of nowhere.
"I don’t know what caused it [because] as I was walking out it wasn’t or didn’t seem to be burning - didn’t notice it until [I] was walking down near the hotels just south of the bowl," @ScotyAppleseed told Fox News Digital, adding that "someone said it was near the tunnel so apparently across the street."
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"I did however smell smoke down in the subway so the smoke was traveling fast," they said.
The concertgoer said they were able to see the whole show.
"Yes it was a beautiful night of singing together hopefully that’s the memory everyone gets to take with them after tonight."