The man was located by officers in the first-floor hallway of the building, and was asked to drop the knife. Police say the man instead advanced on one of the officers, causing them to retreat.

One officer deployed a taser to try to subdue the man, another fired shots that struck him. St. Paul Police Department did not say how many shots were fired.

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The man was pronounced dead at the scene after officers rendered aid to him.

Officers involved in the incident were wearing body cameras that recorded the encounter, CBS News Minnesota reports. The officers involved have been place on adminstrative leave, which is standard practice after an officer-involved shooting.

The Minnesota Bureau of Criminal Apprehension is investigating.