A gunman shot eight people dead and injured several others at a FedEx facility in Indianapolis before taking his own life, police said early on Friday.
In the latest media briefing, officer Genae Cook said that including the gunman the total number of casualties was nine.
After a significant drop in mass shootings in the United States during a pandemic-hit 2020, this year has already seen several deadly cases.
The Gun Violence Archive says 147 mass shootings have occurred so far in 2021. Their definition of mass shooting is a minimum of four gunshot victims.
President Joe Biden last week announced a half-dozen executive actions to combat what he called an “epidemic and an international embarrassment” of gun violence in America. But he said much more is needed.