Israel’s military has advanced beyond Lebanon’s Litani River for the first time since 2006.

Israel’s military has advanced beyond the Litani River in southern Lebanon for the first time since 2006 and appear poised to encircle the major city of Nabatieh.

Senior Lebanese military sources on Saturday told the Turkish state news agency Anadolu that Israeli forces had crossed the Litani River, which Israel has declared the perimeter of its unofficial buffer zone.

Israeli forces are now on the outskirts of Nabatieh, a city that is key to southern Lebanon’s economy and a cultural hub for the region. If the Shia-majority city were to fall, it would mark a significant development in the war on Lebanon, which began in October 2023 and subsequent official ceasefire.

Nabatieh is viewed by many Lebanese as a symbol of resistance due to its historic role on the frontline of Israeli assaults.

Reporting from the southern city of Tyre, Al Jazeera’s Obaida Hitto said Israel was expanding its air campaign in southern Lebanon and encircling Nabatieh in preparation for a potential assault on the city.

“It looks like Israel is trying to make this final push to encircle Nabatieh, breaking through the second and third lines of defence of Hezbollah and isolating the western Bekaa Valley from the south of the country,” Hitto said.

Israel has issued evacuation orders for at least 10 villages in southern Lebanon, as it expands its invasion, despite being engaged in ongoing peace talks with Lebanese officials.

The Israeli army’s Arabic spokesperson, Avichay Adraee, instructed residents in several Lebanese villages to evacuate immediately, warning they could be killed if they remained.

The order came the day after officials from both countries met in Washington to discuss a permanent end to the war. It began in early March when Iran-backed Hezbollah began attacking Israel following the assassination of Iran’s Supreme Leader, Ali Khamenei.

Hitto said people fleeing their homes have few options, with more than 20 percent of the population — around 1.2 million people — displaced by fighting.

“Those options are turning into basically people living with relatives if they have that option, or people living in makeshift camps in public parks and public spaces. I’ve seen many families living in their vehicles for long periods of time,” Hitto said.

“Some of these families have been continuously displaced since 2023,” Hitto added.

The latest forced displacement orders are a further test to the nominal “ceasefire” in place since mid-April and repeatedly violated by Israel. It justifies its actions by saying it is targeting Hezbollah as part of efforts to disarm the group.

On Friday, at least 14 people were killed in Israeli air raids in southern Lebanon.

Lebanese officials are working to disarm Hezbollah, but the task has proved extremely difficult.

Lebanese and Israeli officials are currently engaged in negotiations to end the war, marking the first time the two sides have spoken directly in decades.

The talks are being facilitated by the United States, and a new round is expected in Washington next week.

Lebanon’s President, Joseph Aoun, held talks with Prime Minister Nawaf Salam on Saturday to discuss the security situation and  ongoing negotiations with Israel. According to the state-run National News Agency, they agreed to intensify efforts to end the war, which has triggered a humanitarian crisis.

Aoun also spoke by phone with US Secretary of State Marco Rubio and stressed the importance of Israel respecting the current ceasefire.