UN warns Gaza blockade could force it to sharply cut relief operations as bombings rise

U.S. Rep. Brendan Boyle, who represents parts of Philly and is co-chair of the Congressional European Union Caucus, called the move "a direct threat to our national security.”

The second phase of the ceasefire was set to begin Sunday, but negotiations in Cairo last week failed to achieve a consensus on its implementation.

World security is at stake in talks over how the war ends, European Commission President Ursula von der Leyen warned.