Warning sirens sounded in border areas in northern Israel in the late morning as about 35 missiles were fired from southern Lebanon into the area around the border town of Kiryat Shmona.

Television footage showed damaged buildings and cars as well as brush fires in several locations caused by strikes or falling debris amid heatwave conditions.

Warning sirens sounded and emergency services said teams were active in several areas but there were no reports of any casualties.

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In response, the Israeli military said its artillery attacked launch sites operated by the Iranian-backed Hezbollah militia in southern Lebanon and Israeli jets also hit Hezbollah infrastructure in the areas of Odaisseh and Kfarkela.

The Israeli military has exchanged regular fire with Hezbollah forces across the border in southern Lebanon ever since the start of the war in Gaza in October.

Israeli strikes have killed more than 300 Hezbollah fighters in Lebanon - more than in 2006, when the sides last fought a major war, according to a Reuters tally. Around 80 civilians have also been killed, the tally says. Attacks from Lebanon have killed 18 Israeli soldiers and 10 civilians, Israel says.

Neither side has appeared to wish a wider conflict, but there has been growing worry that the steady intensification of strikes could push the situation out of control with the risk of a wider conflict in a region that has already seen direct exchanges between Israel and Iran.

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The latest salvo came after an Israeli strike killed a senior commander from the Iranian-backed Hezbollah militia in southern Lebanon on Tuesday, drawing the heaviest bombardment of northern Israel since the start of the war in October last year.

Tens of thousands of residents have been evacuated from their homes on both sides of the border, creating growing pressure to resolve the stand-off, but diplomatic efforts have so far proved fruitless.

On Friday, the Israeli military said fighter jets and anti-aircraft systems had intercepted 11 of the 16 drones launched by Hezbollah against Israel in the past 72 hours.

“The Israeli Air Force is continuing to operate at all times to thwart terrorist activities and protect Israel’s skies from any threat,” it said in a statement.