Los Angeles could be barred from receiving an annual federal grant that goes toward fighting gang crime because of new Justice Department requirements on illegal immigration, with City Attorney Mike Feuer saying Monday the city might file a lawsuit if those requirements aren’t clarified by the end of the week.

Feuer sent a letter to Department of Justice officials seeking “written guidance that unambiguously clarifies” the rule, which requires that the city notify the Department of Homeland Security at least 48 hours before it plans to release “an alien in the jurisdiction’s custody” wanted by U.S. immigration officials.

Read more in the Los Angeles Daily News.