Two USC commencement speakers are boycotting their speaking engagements to protest the university's cancellation of a valedictorian's graduation speech.

Wally Skalij/Los Angeles Times via Getty ImagesA pair of celebrated writers scheduled to speak at a University of Southern California graduation ceremony that was shifted online have announced they will not be attending,

Pro-Palestinian protests are disrupting major US universities, and several schools have called police to remove demonstrators. Follow for live updates.

It appeared a pro-Palestinian protest heated up Saturday night on the University Park Campus at the University of South California as Los Angeles Police Department officers from around the city were placed on alert and the public was urged to avoid the area.

Pro-Palestinian protesters returned to the USC campus Saturday to once again denounce the Israel-Hamas war, and things got heated through the night. Hundreds of students began gathering at Alumni Park in the afternoon,