Police are investigating a stabbing on a Muni bus in San Francisco.
The incident was reported around 4:40 p.m. at Stockton and Sutter, near Union Square.
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WATCH HEREPolice said there was an altercation between several young men on the bus that resulted in a stabbing.
One young man suffered life-threatening injuries, police said.
SFPD detained multiple suspects but haven’t made any arrests.
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