Small Balboa Park brush fire prompts firefighter callout

A small vegetation fire near Morley Field has been upgraded to a first alarm, according to officials.

The fire began after noon on Monday near the intersection of Florida and Morley Field drives near the northern tip of the park.

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First responders were in for a hot day on the fire, with temperatures in San Diego hitting triple digits and the the 90s in Balboa Park.

A half-dozen or so fire trucks were on scene at 1:15 p.m. when SkyRanger 7 arranged over the scene, and ground crews had kept the fire from spreading more than 1 acre and were mopping up hot spots.

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"Florida Drive between Zoo Place and Morley Field Drive will be closed until 3:30 p.m. as crews mop up & clear brush," San Diego Fire tweeted out in the afternoon.

The cause of the fire is not yet known.