police-light-bar1.jpg12:33 AM: Police detained a man after a lengthy standoff in San Francisco’s Nob Hill neighborhood Saturday night, a police spokesman said.

Police responded to a report of a domestic dispute at an apartment building in the 1400 block of California Street, near Hyde Street, at about 6:30 p.m., Officer Carlos Manfredi said.

After just about four hours, the suspect, a man whose name was not released, surrendered peacefully, Manfredi said.

The incident began when a resident of the building overheard a domestic dispute between the man and a woman, Manfredi said.

Police attempted to make contact with the suspect upon arrival, but stepped back outside when they determined he might have had a weapon, Manfredi said.

“A tactical team was brought in when we heard there may have been a firearm, erring on the side of caution,” he said.

Surrounding units were evacuated and nearby residents were told to shelter in place during the incident.

Neither the man, nor the woman, involved in the dispute appeared to be physically injured, Manfredi said.

Manfredi said the suspect may have been under the influence at the time of the dispute, but several hours had passed it was hard to determine.

A one-block radius of streets around the building were closed during the standoff, affecting service on the California Street cable car line between Hyde and Larkin streets, Manfredi said.

The streets were reopened at about 11 p.m., he said.

As of 12:10 a.m., police have yet to search the apartment for a firearm.

The man was detained on suspicion of domestic violence. The case is under investigation.

10:06 PM: San Francisco police surrounded a building on California Street near Hyde Street this evening after a possibly-armed resident made threats against a neighbor, according to a San Francisco police spokesman.

Police were called to the building on the 1400 block of California Street around 6:30 p.m. after a resident overheard a domestic dispute next door, Officer Carlos Manfredi said.

When the resident tried to check on his neighbor, the neighbor made what Manfredi called “credible threats” against him.

Officers arriving on the scene attempted to make contact with the suspect, but determined that he might have a weapon inside the apartment and “erring on the side of caution” chose to step back outside, Manfredi said.

The surrounding units were evacuated and other nearby residents have been told to shelter in place.

Hostage negotiators have been called in to talk with the suspect, but Manfredi said at this point police are unclear whether there is anyone else in the apartment with him.

Police have closed streets in a one-block radius around the building, according to Officer Carlos Manfredi. The closure has affected service on the California Street cable car line between Hyde and Larkin streets.

The American Red Cross is on the scene assisting residents displaced by the incident, Manfredi said.

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