KOREATOWN (CBSLA.com) — Los Angeles Department of Water and Power crews worked to repair a broken pipe Thursday that caused an apartment building to flood in Koreatown.

Firefighters responded around 2 a.m. to the 500 block of S. Serrano Avenue for report of a building flooding.

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Upon their arrival, authorities learned a large water main had ruptured underneath the building.

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KNX 1070’s Pete Demetriou reported tenants rushed to move more than 30 vehicles from the building.

Officials are assessing damage at this time.

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LADWP crews are working to turn off water in the immediate area.