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San Francisco police are looking into the “suspicious death” of a man who collapsed after a confrontation inside a coffee shop in the Polk Gulch neighborhood of the city, officials said Monday.

On Thursday just before 8 a.m., Marc Garcia, a 60-year-old San Francisco resident, walked into the coffee shop on the 1400 block of Van Ness Avenue, said Officer Albie Esparza, a police spokesman.