Israeli forces killed four Isis militants in Syria in the first direct clash between the country and the jihadi group.

The militants opened fire on a military patrol on the Israeli side of the Israeli-controlled Golan Heights, a military spokesman said.

Lieutenant Colonel Peter Lerner said the patrol came under machine gun and mortar fire early on Sunday.

Kurds capture Isis fighter

They returned fire towards Syria before an Israeli aircraft engaged the militants, striking a machine gun-armed car and killing its passengers.

All of the gunmen were suspected militants from "Shuhada al-Yarmouk," an Isis offshoot which controls the area.

Mr Lerner said none of the Israeli soldiers, from the Golani Brigade, were wounded in the clash.

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Prime Minister Benjamin Netanyahu commended the troops for thwarting the attack.

"We are well prepared on our northern border and will not allow Islamic State elements or any other hostile elements to use the war in Syria to establish themselves close to our borders," he said at his weekly Cabinet meeting.

In pictures: Iraq battles to drive Isis out of Fallujah Show all 12 1 /12 In pictures: Iraq battles to drive Isis out of Fallujah In pictures: Iraq battles to drive Isis out of Fallujah Smoke rises after airstrikes by US-led coalition planes as Iraqi security forces advance against Islamic State extremists in Fallujah, June 15, 2016 AP In pictures: Iraq battles to drive Isis out of Fallujah Iraqi security forces advance during heavy fighting against Isis militants in Fallujah, Iraq, on 14 June AP In pictures: Iraq battles to drive Isis out of Fallujah Shia militia say that moving resources from Fallujah towards the area near Mosul was a 'betrayal' of the battle for the city GETTY In pictures: Iraq battles to drive Isis out of Fallujah Hospital sources said 18 bodies were recovered from the river over the weekend AP In pictures: Iraq battles to drive Isis out of Fallujah Up to 60,000 civilians were feared trapped in Fallujah at the start of the Iraqi operation AP In pictures: Iraq battles to drive Isis out of Fallujah Shia fighters hold an Isis flag in an operation east of Fallujah – the terror group has lost ground in both Syria and Iraq AFP/Getty In pictures: Iraq battles to drive Isis out of Fallujah Shia fighters hold their weapons as they gather near Falluja, Iraq, June 4, 2016. Reuters In pictures: Iraq battles to drive Isis out of Fallujah Pro-government forces bid to take back ground from Isis in Fallujah MOADH AL-DULAIMI/AFP/Getty Images In pictures: Iraq battles to drive Isis out of Fallujah Smoke billows on the horizon as Iraqi military forces prepare for an offensive to retake the city AP In pictures: Iraq battles to drive Isis out of Fallujah A member of the Iraqi security forces fires artillery during clashes with Isis militants near Fallujah, Iraq, 29 May, 2016 Reuters In pictures: Iraq battles to drive Isis out of Fallujah Iraqi government forces fire a rocket near al-Sejar village, north-east of Fallujah, on May 26, 2016, as they take part in a major assault to retake the city from the Islamic State group AFP/Getty In pictures: Iraq battles to drive Isis out of Fallujah Shia fighters and Iraqi security forces advance towards Fallujah Thaier Al-Sudani/Reuters

Israel seized 1,200 square kilometres (460 square miles) of the Golan from Syria in the Six-Day War of 1967 and later annexed it in a move never recognised by the international community.

It has largely been unaffected by the Syrian civil war next door.

While avoiding being drawn into the internal Syrian conflict, Israel attacks Syrian military targets when fire, even unintentional, spills over the demarcation line.

The Israeli army holds the Syrian government accountable for any fire from its territory, regardless of the source.