Rep. Ilhan Omar, D-Minn., held a town hall Tuesday evening in her home district amid recent shootings involving federal immigration agents and local agitators in Minneapolis.

A man sprayed an unknown substance on Democratic U.S. Rep. Ilhan Omar and was tackled to the ground Tuesday during a town hall in Minneapolis, where tensions over federal immigration enforcement have come to a head after agents fatally shot an intensive care nurse and a mother of three this month.