Israel has called up tens of thousands of reservists in advance of plans to capture — and this time hold — all of the Gaza Strip, should Hamas refuse to agree to a cease-fire by May 16.

Tensions flared at Columbia University Wednesday when masked protesters stormed the campus' main library, reigniting anti-Israel demonstrations and sparking confrontations with students and security.

A small group of reservists from Israel’s elite military intelligence unit joined a call for an immediate return of the hostages in Gaza even if it requires an immediate end to the war ...