Israel said a “new era” of war was beginning Wednesday, tacitly acknowledging its role in shock twin attacks targeting Hezbollah that have pushed the Middle East back to the brink of wider conflict. Almost exactly 24 hours after explosions targeting the pagers of Hezbollah members killed multiple people,

BEIRUT—Hezbollah was hit Wednesday by another wave of exploding devices, as Israel signaled it was moving toward more aggressive military action against the Lebanese militant group.Walkie-talkies used by the group blew up in homes,

Daily exchanges of fire between Hezbollah and Israel have been destructive, disruptive and sometimes deadly. An escalation could risk starting a wider regional conflict.