By Maya Gebeily, Timour Azhari and James Mackenzie

BEIRUT/JERUSALEM (Reuters) -A wave of air raids hit Beirut’s southern suburbs early on Saturday as Israel stepped up attacks on Hezbollah, after a massive strike on the Iran-backed movement’s command centre that apparently targeted leader Hassan Nasrallah.

Reuters witnesses heard more than 20 airstrikes before dawn on Saturday. Abandoning their homes in the southern suburbs, thousands of Lebanese congregated in squares, parks and sidewalks in downtown Beirut and seaside areas.

“They want to destroy Dahiye, they want to destroy all of us,” said Sari, a man in his 30s who gave only his first name, referring to the suburb he had fled after an Israeli evacuation order. Nearby, the newly displaced in Beirut’s Martyrs Square rolled mats onto the ground to tried to sleep.

Israel’s military said early on Saturday that about 10 projectiles had crossed from Lebanon into Israeli territory and that “some” had been intercepted. A statement from the military did not identify the projectiles, which it said were detected after sirens sounded in the Upper Galilee area.

Smoke billows following an Israeli strike over Beirut’s southern suburbs, amid ongoing hostilities between Hezbollah and Israeli forces, as seen from Sin El Fil, Lebanon, September 28, 2024. REUTERS/Mohamed Azakir
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An unprecedented five hours of continuous strikes early on Saturday followed Friday’s attack, by far the most powerful by Israel on Beirut during nearly a year of war with Hezbollah. It marked a sharp escalation of a conflict that has involved daily missile and rocket fire between the two sides.

Smoke billows following an Israeli strike over Beirut’s southern suburbs, amid ongoing hostilities between Hezbollah and Israeli forces, as seen from Sin El Fil, Lebanon, September 28, 2024. REUTERS/Mohamed Azakir
© Thomson Reuters

The latest escalation has sharply increased fears the conflict could spiral out of control, potentially drawing in Iran, Hezbollah’s principal backer, as well as the United States.

There was no immediate confirmation of Nasrallah’s fate after Friday’s heavy strikes, but a source close to Hezbollah told Reuters he was not reachable. The Lebanese armed group has not made a statement.

Israel has not said whether it tried to hit Nasrallah, but a senior Israeli official said top Hezbollah commanders were targeted.

“I think it’s too early to say… Sometimes they hide the fact when we succeed,” the Israeli official told reporters when asked if the strike on Friday had killed Nasrallah.

Earlier, a source close to Hezbollah told Reuters that Nasrallah was alive. Iran’s Tasnim news agency also reported he was safe. A senior Iranian security official told Reuters that Tehran was checking his status.

Smoke billows following Israeli strikes over Beirut’s southern suburbs, amid ongoing hostilities between Hezbollah and Israeli forces, as seen from Sin El Fil, Lebanon, September 28, 2024. REUTERS/Mohamed Azakir
© Thomson Reuters

The Israeli military said in a statement that it had killed the commander of Hezbollah’s missile unit, Muhammad Ali Ismail, and his deputy Hossein Ahmed Ismail.

DEATH TOLL RISES

Hours before the latest barrage, Israeli Prime Minister Benjamin Netanyahu told the United Nations that his country had a right to continue the campaign.

“As long as Hezbollah chooses the path of war, Israel has no choice, and Israel has every right to remove this threat and return our citizens to their homes safely,” he said.

Several delegations walked out as Netanyahu approached the lectern. He later cut short his New York trip to return to Israel.

Lebanese health authorities confirmed six dead and 91 wounded in the initial attack on Friday – the fourth on Beirut’s Hezbollah-controlled southern suburbs in a week and the heaviest since a 2006 war.

The toll appeared likely to rise much higher. There was no word on casualties from the later strikes. More than 700 people were killed in strikes over the past week, authorities said.

Hezbollah’s al-Manar television reported seven buildings were destroyed. Security sources in Lebanon said the target was an area where top Hezbollah officials are usually based.

Hours later, the Israeli military told residents in parts of Beirut’s southern suburbs to evacuate as it targeted missile launchers and weapons storage sites it said were under civilian housing.

Hezbollah denied any weapons or arms depots were located in buildings that were hit in the Beirut suburbs, the Lebanese armed group’s media office said in a statement.

Alaa al-Din Saeed, a resident of a neighbourhood Israel identified as a target, told Reuters he was fleeing with his wife and three children.

“We found out on the television. There was a huge commotion in the neighbourhood,” he said. The family grabbed clothes, identification papers and some cash but were stuck in traffic with others trying to flee.

“We’re going to the mountains. We’ll see how to spend the night – and tomorrow we’ll see what we can do.”

Around 100,000 people in Lebanon have been displaced this week, increasing the number uprooted in the country to well over 200,000.

People inspect damage at the site of an Israeli strike, amid ongoing hostilities between Hezbollah and Israeli forces, in Beirut’s southern suburbs, Lebanon September 27, 2024. REUTERS/Mohamed Azakir
© Thomson Reuters

Israel’s government has said that returning some 70,000 Israeli evacuees to their homes is a war aim.

FEAR THE FIGHTING WILL SPREAD

Hezbollah has fired hundreds of rockets and missiles against targets in Israel, including Tel Aviv. The group said it fired rockets on Friday at the northern Israeli city of Safed, where a woman was treated for minor injuries.

Israel’s air defence systems have ensured the damage has so far been minimal.

Iran, which said Friday’s attack crossed “red lines”, accused Israel of using U.S.-made “bunker-busting” bombs.

U.S. Defense Secretary Lloyd Austin said Washington was not informed of that strike beforehand. President Joe Biden was being kept abreast of developments.

At the U.N., where the annual General Assembly met this week, the intensification prompted expressions of concern including by France, which with the U.S. has proposed a 21-day ceasefire.

“This must be brought to an end immediately,” French Ambassador Nicolas de Riviere told a Security Council meeting.

At a New York press conference, U.S. Secretary of State Antony Blinken said: “We believe the way forward is through diplomacy, not conflict… We will continue to work intentionally with all parties to urge them to choose that course.”

Hezbollah opened the latest bout in a decades-long conflict with a missile barrage against Israel immediately following the Oct. 7 attack on Israel by the Palestinian militant group Hamas in Gaza last year.

(Reporting by Maya Gebeily, Timour Azhari and James Mackenzie; Additional reporting by Tom Perry in Beirut, Jana Choukeir and Nadine Awadalla in Dubai, Phil Stewart in Washington, Emily Rose in Jerusalem and Ahmed Tolba in Cairo; Writing by James Mackenzie and Patricia Zengerle; Editing by Cynthia Osterman and William Mallard)