The fighting brought in anti- Israel militias in Lebanon, Syria and Yemen, threatening a regional conflagration that appears to have so far been prevented. The U.S. says a ceasefire in Gaza will calm the Middle East and ensure a wider war doesn’t erupt.

TULKAREM, West Bank — In memory of late U.S. President Jimmy Carter, a grove of 250 young olive trees was planted Monday in the occupied West Bank by Palestinian activists and residents, who described Carter as a staunch advocate for the Palestinian cause.