WASHINGTON — The Obama administration on Wednesday unveiled new rules to combat segregation in federally subsidized housing, a piece of President Obama’s effort to address the racial disparities he argues are helping fuel unrest in cities across the country.

The long-awaited regulations, which are to be detailed at a news conference in Chicago by Juliàn Castro, the secretary of Housing and Urban Development, are intended to enforce Civil Rights-era fair housing laws whose mandate to desegregate communities and foster integration has long been ignored. The completion of the rules was first reported by The Washington Post.

Read more in The New York Times.