A Palestinian man fell to his death while trying to escape Israeli forces who were attempting to arrest him in the occupied West Bank early on Monday, Israeli police said.

It was the third deadly arrest operation in less than a week.

Syrian government troops and Kurdish forces advanced Sunday against Islamic State group fighters in the northeastern city of Hasakeh, a monitor and state media said.

The Syrian Observatory for Human Rights, a Britain-based monitor, said IS forces were now confined to just two small areas in the city.

Turkish warplanes took off Sunday evening for a new wave of air raids on bases of the rebel Kurdistan Workers Party (PKK) in northern Iraq, according to Turkish media reports.

The first round of bombardments, which were unleashed late Friday, has threatened to unravel a fragile truce that has largely held since 2013.

Iran on Sunday accused Sunni-ruled Bahrain of stoking tensions in the Gulf by making unfounded allegations against it, the official IRNA news agency reported.

"It is clear that the government of Bahrain, by repeating unfounded allegations, seeks to create a climate of tension in the region," it quoted foreign ministry spokeswoman Marzieh Afkham as saying.

Egypt extended a state of emergency in parts of the Sinai Peninsula for three months, as a roadside bomb attack claimed by Islamic State jihadists wounded 18 policemen Sunday in the insurgency-wracked region.

The attack happened near El-Arish, the capital of North Sinai province where the army is battling IS loyalists, according to security officials, who said the policemen were on leave.

Iran's foreign minister on Sunday called on Gulf Arab neighbors to cooperate against the common threat of "terrorism, extremism and sectarianism," but insisted that Tehran's policy will not change.

"Our message to the countries of the region is that we should cooperate to face the common threat," Mohammad Javad Zarif told reporters after meeting Kuwaiti officials in his first foreign trip following the nuclear deal with world powers.

Pro-government forces battled retreating rebels on the northern outskirts of Yemen's second city of Aden on Sunday ahead of a humanitarian truce declared by the Saudi-led coalition bombing the Iran-backed insurgents.

Troops loyal to exiled President Abedrabbo Mansour Hadi sought to tighten their control of the southern port city and surrounding areas ahead of the ceasefire, scheduled to take effect at midnight (2100 GMT).

Israeli police entered Jerusalem's al-Aqsa mosque, one of Islam's holiest sites, as clashes erupted on Sunday over Jews' access to the compound on an annual day of Jewish mourning.

Palestinians threw stones and fireworks while Israeli police fired stun grenades after security forces entered the al-Aqsa compound before briefly going inside the mosque itself.

Rescuers recovered seven more bodies from the Nile after a party boat collided with a cargo ship earlier this week, raising the death toll to 36, Egyptian officials said Sunday.

The accident, the deadliest such incident on the Nile in years, occurred late Wednesday when the victims were celebrating an engagement on a vessel that was struck by a cargo ship.

Iraqi government forces recaptured a university campus Sunday on the outskirts of Ramadi from the Islamic State group, seizing a key position for any offensive to retake the city, officials said.

Iraqi forces had recaptured parts of Anbar University in May, shortly after losing the provincial capital to the jihadists, but later pulled back.