MINNEAPOLIS, Minn (CBS)  — Officials in Minnesota are investigating a police-involved shooting that led to the death of a 40-year-old yoga teacher.

Investigators say Justine Diamond had called 911 to report an assault.

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At some point, one of the responding Minneapolis officers fired a gun, killing her.

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Friends and neighbors demanded answers Sunday night as they gathered to remember her.

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The officers’ body cameras and patrol car cameras did not record what happened.