Federal agents did not have a warrant when they arrested Mahmoud Khalil, a Columbia University student who had been an outspoken advocate for Palestinian rights, according to court documents.

RALEIGH, N.C. — Federal agents have now arrested more than 250 people during a North Carolina immigration crackdown centered around Charlotte, the state’s largest city, the U.S. Department of Homeland ...

About 200 people gathered outside the Home Depot in The Dalles on Sunday to condemn what immigrant rights groups have described as an unprecedented immigration arrest inside the hardware store. The ...