Gunfire from a passing car ripped into a crowd of partygoers in the River North neighborhood, the police said.

Mr. Pritzker, a Democrat and billionaire hotel heir, has emerged as a vocal critic of President Trump and a possible presidential contender.

Federal prosecutors say Judge Hannah C. Dugan helped the man evade immigration agents who were waiting in a Milwaukee courthouse to arrest him.

Four Democratic members of Congress tried in vain to enter an immigration processing facility near Chicago.