SAN FRANCISCO (CBS SF) — Two portable toilets were set on fire in San Francisco’s Richmond District early Friday morning, police said.

The arson was reported at 1:07 a.m. at Geary Boulevard and 32nd Avenue by U.S. Park police who saw the portable toilets engulfed in flames, according to police.

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Firefighters quickly arrived at the scene and put out the fires, police said.

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The incident remained under investigation.

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