Gaza's Hamas-run police force said it killed 12 members of an Israeli-backed militia after detaining them early Thursday. Hours earlier, an Israeli- and U.S.

The attack on a controversial aid group highlights the challenge for the U.S. and Israel to remake Gaza without Hamas

Prime Minister Benjamin Netanyahu acknowledged only that Israel had been working with “clans.” But the opposition leader warned that the “weapons going into Gaza will eventually be pointed at Israeli soldiers and civilians.