GOP seeks to revoke NYC Mayor-elect Mamdani’s citizenship; experts say they must prove false claims in his application.

Denmark's foreign minister has summoned the top U.S. diplomat in the country after a report that people connected to Donald Trump been carrying out covert influence operations in Greenland.

Detainees had described "horrific" and unsanitary conditions, with dozens of people packed into a single room, little food, and scant access to attorneys.

Yunseo Chung, a legal permanent resident who has lived in the U.S. since she was 7, participated in pro-Palestinian demonstrations. Immigration agents visited residences looking for her.