The Los Angeles Times reported a number of graduates wore keffiyeh scarves, which have become a symbol of solidarity with Palestinians, at the Luskin School of Public Affairs.
The University of California Police Department recieved a report of an arson outside Koshland Hall on Thursday.
Union leaders have said a major impetus for the strike was the arrest of 210 people, including campus-employed grad students.
Approximately 10 students entered the building around 5:30 a.m. on the last day of classes for the spring quarter, while about 50 students linked arms and surrounded the building.
The expanding work stoppage marks the first union-backed protest in solidarity with the recent wave of student-led demonstrations on dozens of US campuses against the war in Gaza.
Melanie Harris was sentenced to 32 months for a four-year antisemitic harassment campaign against Tree of Life synagogue, its former director, and his family.
A California man, Kevin Dunlow, was arrested for threatening North Carolina synagogues and officials, including plans to kill congregants and children.
Sherman passed at a Beverly Hills, California, hospital. The cause was only listed as an "age-related illness," a Disney obituary said.
Masked assailants, later described by university officials as "instigators," stormed the camp with clubs and poles, a skirmish between the two sides ensued until broken up by police.
The shooter researched kosher supermarkets before committing the attacks, and was influenced by an antisemitic flier he saw.