An evacuation notice was issued after a brush fire burned Tuesday afternoon in the hills above Burbank.

The 20-acre fire was reported at about 3:30 p.m. near Amherst Drive and Bethany Road. As a result, the following areas were issued an evacuation notice by the Burbank Police Department:

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• Walnut Avenue above Bel Aire Drive
• Above Bel Aire Ballfield (Bel Aire Drive, Vista Ridge, Starlight Circle)

The McCambridge Recreation Center has been designated as an evacuation site. It is located at 1515 N. Glenoaks Blvd.

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Hiking trails in the area were closed.

Details about how the fire started were not immediately available.