As Israel resumes heavy strikes in the Gaza Strip, escalating Israeli attacks in south Lebanon have killed five Hezbollah members in the last few days, according to security sources in Lebanon, underlining the fragility of a U.

Israel launched military strikes across Gaza overnight, shattering a shaky ceasefire that had paused 15 months of fighting. Hamas said at least 322 people had been killed or were missing. The strikes — along with others overnight by Israel on Lebanon and Syria as well as US attacks on the Houthis in Yemen since Saturday — have ended the Middle East’s relative calm in recent weeks.