Massive crowds streamed into the most heavily destroyed part on Monday in accordance with a fragile ceasefire.

Some troops had been expected to withdraw to allow hundreds of thousands of displaced Gazans to go home. But Israel said the hostage exchange before that step had not gone as agreed. Hamas accused Israel of stalling.

President Donald Trump's White House ordered a pause in all federal grants and loans starting on Tuesday, a sweeping decision that could disrupt education, health care and food programs, housing assistance, disaster relief and a host of other initiatives that depend on trillions of federal dollars.