An Israeli airstrike killed three senior military commanders from the Gaza Strip’s ruling Hamas movement a day after Prime Minister Benjamin Netanyahu warned that forces would hunt militant leaders down.

The raid, coming close behind an apparent attempt on the life of Hamas’s top military chief, was followed by a barrage of rockets on Israel from Gaza and a wave of Israeli aerial attacks on the Palestinian territory. The surge in violence threatens to overwhelm Egyptian efforts to halt six weeks of hostilities that have killed 2,075 Palestinians, including 27 today, according to Gaza officials, and 67 on the Israeli side. The last in a series of Egypt-brokered truces unraveled Aug. 19.

“We will continue to hunt down and attack Hamas leaders at any time and wherever they may be,” Israeli Defense Minister Moshe Ya’alon said today in an e-mailed statement. Late yesterday, Netanyahu said “the commanders of terror organizations are a legitimate target. No one is immune.” […]