What is behind US college protests over Israel-Gaza war?

Student protests in the U.S. over the war in Gaza have intensified and expanded over the past week, with a number of encampments now in place at colleges including Columbia, Yale, and New York University. Police have been called in to several campuses to arrest demonstrators.

Here are some details on the protests:

WHAT ARE THE PROTESTERS DEMANDING?

Across campuses where protests have broken out, students have issued calls for a permanent ceasefire in Gaza, an end to U.S. military assistance for Israel, university divestment from arms suppliers and other companies profiting from the war, and an amnesty for students and faculty members who have been disciplined or fired for protesting.