India, Jan. 14 -- Days of demonstrations against immigration agents left Minnesota tense on Tuesday, a day after federal authorities used tear gas to break up crowds of whistle-blowing activists, and state and local leaders sued to fight the enforcement surge that led to the fatal shooting of a Minneapolis woman.

Confrontations between federal agents and protesters stretched throughout the day and across multiple cities on Monday. Agents fired tear gas in Minneapolis as a crowd gathered around immigration officers questioning a man, while to the northwest in St Cloud, hundreds of people protested outside a strip of Somali-run businesses after ICE officers arrived.

Later that night, confrontations erupted between protesters and officers ...