At least 47 people were arrested at Yale University on Monday during pro-Palestinian protests, as student-led demonstrations that roiled Columbia University and other campuses last week spread to the center of the school’s community in New Haven, Conn.

Demonstrators set up an encampment at Beinecke Plaza on campus Friday night. The group, Occupy Beinecke, said in a statement on social media that it was calling on the university to disclose its investments in military weapons manufacturers…