The injunction issued by U.S. District Judge William Orrick does not apply to Chicago or Cook County but is likely to bolster efforts by city officials to prevent President Donald Trump from blowing a $3 billion hole in Chicago’s budget.

There is no strict definition for sanctuary policies or sanctuary cities, but the terms generally describe limited cooperation with Immigration and Customs Enforcement. ICE enforces immigration

U.S. District Judge William Orrick issued the injunction sought by San Francisco and more than a dozen other municipalities that limit cooperation with federal immigration efforts. Chicago and