SAN FRANCISCO — Four men were shot and killed Friday night in a brazen quadruple homicide in the Hayes Valley neighborhood, police said.

The shooting was reported around 10 p.m. in the 200 block of Page Street, between Octavia Boulevard and Laguna Street, according to San Francisco police spokesman Officer Albie Esparza.

When officers arrived, they found four men suffering from multiple gunshot wounds. All four victims were pronounced dead at the scene, Esparza said.

No suspects are in custody and the investigation remains ongoing.

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Contact Katie Nelson at 408-920-5006 and follow her at Twitter.com/katienelson210.