A subway station in San Francisco was the scene of a police taking footage when cops gunned down an individual they’re saying was armed with a firearm … and it’s all on video.

New police physique cam footage reveals SFPD officers unleashing a hail of bullets on the suspect as he walks by the underground Powell Road BART station.

Cops say the person was carrying a gun and had been major police on a chase by city sooner than he was shot in entrance of commuters, who wanted to duck for cover.

The suspect, who cops acknowledged as 30-year-old Justin Alderman, will get off an escalator correct sooner than police open fireside … and the bullets ship him falling to the underside with what SFPD described as non-life threatening accidents.

Police say this all started when patrol officers observed the individual sleeping in a stolen white BMW spherical 10 AM on Sept. 13, with a gun in plain view subsequent to him throughout the passenger seat.