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.

Israeli strikes on southern Lebanon killed four people, Lebanese state media and the health ministry said, as Israel’s military said it had killed

For Palestinians, the renewed strikes brought a sudden return to the carnage and terror of the 15-month-long war.

Officials say negotiations would also include the future of Israeli military outposts in Lebanon and of Lebanese prisoners still held in Israel.

Syria’s army attacked Lebanon after it said three soldiers were kidnapped, brought to Lebanon and killed by Hezbollah militants. Hezbollah denied involvement.