FBI, Hazmat Crew Outside SF Building FBI agents, San Francisco police and fire crews, and a hazardous materials team converged on an apartment building between Jackson and Polk streets Saturday morning. FBI agents, San Francisco police and fire crews, and a hazardous materials team converged on an apartment building between Jackson and Polk streets in the Russian Hill neighborhood Saturday morning, according to San Francisco police. The San Francisco FBI office told NBC Bay Area that the agency is executing a search warrant as part of a criminal investigation. The FBI said that the investigation poses "no threat to...