At least three people were killed and multiple others shot at a gun range in a New Orleans suburb, according to reports.

Jefferson Parish authorities were investigating a shooting that caused “multiple deaths” Saturday afternoon in Metairie, 15 minutes west of New Orleans, Fox 8 reported.

The address provided by the Sheriff’s Office is the Jefferson Gun Outlet.

WDSU reporter Travers Mackel tweeted that innocent bystanders had been shot. People at the range engaged the shooter in an attempt to keep others safe, he reported.

Shay O’Connor, a WDSU reporter on the scene, tweeted at least three people were dead.

The investigation was ongoing.