The U.S. has revoked at least 300 visas of international students, many who have supported campus pro-Palestinian encampments and protests. At major California campuses including UCLA and USC, foreign students are on alert.

The U.S. has revoked at least 300 visas of international students, many who have supported campus pro-Palestinian encampments and protests. At major California campuses including UCLA and USC, foreign students are on alert.