CNN —Officials at Columbia University, facing surging tensions on campus that have raised safety concerns, have announced all classes will be virtual on Monday as Passover begins. Shafik has faced new calls for her resignation, and a rabbi linked to the university even urged Jewish students to stay home due to concerns about their safety. The crisis at Columbia amounts to a massive test for Shafik, who took the helm of the university less than a year ago. “It is crystal clear that Columbia University -previously a beacon of academic excellence founded by Alexander Hamilton - needs new leadership,” Stefanik said in a statement on Sunday. As Passover begins Monday, Jewish student organizations have increased security for their upcoming events and services.

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