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Bleach Allegedly Thrown On SFPD Officers In 22-Hour Standoff

SAN FRANCISCO (CBS SF) -- San Francisco police arrested a man Tuesday after a nearly 22-hour long standoff at a home in San Francisco's Visitacion Valley during which he allegedly threw bleach on officers and threatened to blow up the house.

Police were first called to the home in the 500 block of Campbell Avenue around 6 p.m. after a caller at that address contacted 911 several times. Dispatchers were unable to determine what the emergency was, police said.

Officers spoke to the man, later identified as 51-year-old Magnom F. Carolino, and determined that he was threatening to commit suicide and in crisis.

During the conversation Carolino allegedly threatened to blow up the house, prompting the evacuation of neighboring homes. The fire department also cut off gas service to the house.

The department's Crisis Hostage Negotiation Team attempted to speak with the man, who could be heard making crashing noises as he moved around the house covering windows, blocking one with a mattress, police said.

The standoff continued into Tuesday afternoon, at which point the man became agitated and began making suicidal threats again, before stepping out the living room window onto a ledge around 3 p.m. and threatening to jump, police said.

He then stepped back inside before allegedly throwing liquid bleach on the front gate and the officers waiting there, police said.

Several officers were later treated and released for exposure to bleach, including one whose eyes were exposed.

Officers moved in and arrested Carolino around 3:43 p.m. just inside the front door of the home. Police said he appeared to be drinking the bleach at the time.

Carolino was treated at local hospital and booked into jail on suspicion of twelve counts of assault with a caustic chemical, twelve counts of aggravated assault on a peace officer, making a false report of a bomb and resisting arrest.

The explosives unit conducted a search after the arrest and determined that there were no explosive devices inside the house.

Police today said in a statement that the incident reflected the department's "ongoing commitment to de-escalation tactics designed to bring such incidents to a peaceful conclusion, whenever possible."

© Copyright 2016 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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