A suicide bomber blew up a car at the entrance of Baghdad's main vegetable market on Sunday, killing at least 11 people and wounding dozens, security officials and medics said.

Yemeni government forces attacked rebel positions on the Red Sea coast on Saturday sparking clashes in which six soldiers and 11 rebels were killed, a loyalist commander said.

The assault on the coastal district of Dhubab, just 30 kilometres (20 miles) north of the Bab al-Madab strait where the busy shipping lane enters the Arabian Sea, came after the government sent reinforcements from its headquarters in Aden.

Around 1,500 mourners attended the funerals Saturday in the West Bank city of Hebron of two alleged Palestinian assailants killed by Israeli troops last year.

Hatem Shaludi, 25, and 16-year-old Mohammed Rajabi were both shot dead in September during separate alleged stabbing attacks on Israeli soldiers in the occupied city.

Iraqi forces battling the Islamic State group in Mosul are approaching the Tigris River, which runs through the centre of the city, the spokesman for the Counter-Terrorism Service said Saturday.

Iraq launched a massive operation on October 17 to retake Mosul from the jihadists, who seized the city more than two and a half years ago, and its forces have recaptured a number of neighbourhoods on the east side of the river.

A huge tanker truck bomb killed at least 43 people and wounded dozens more on Saturday in the Syrian rebel-held town of Azaz near the Turkish border, a monitor said.

The blast ripped through a market area in front of a local Islamic courthouse, the Britain-based Syrian Observatory for Human Rights said.

Repair teams were poised to enter a restive region near Damascus on Saturday to begin work on restoring the Syrian capital's water supply, state media said.

Iraq's state TV says the Turkish Prime Minister has arrived in Baghdad in his first visit since the two governments quarreled over the presence of unauthorized Turkish troops in northern Iraq.

The Saturday report didn't give details on the schedule of Binali Yildirim's two-day visit. On his Twitter account, the Turkish Ambassador to Baghdad, Faruk Kaymakci, said that, "We hope that his visit will open a new chapter in Turkey-Iraq relations."

At least nine people, among them seven government soldiers, were killed in fighting near the Syrian capital Damascus overnight, despite a fragile nationwide truce, a monitor said on Saturday.

The Syrian Observatory for Human Rights said fighting was continuing on Saturday in Wadi Barada, a rebel-held district northwest of Damascus that is home to the capital's main water source.

A US-backed Kurdish-Arab alliance seized Friday an ancient fortress overlooking the Islamic State group's biggest prison near the jihadists' Raqa bastion in northern Syria, a monitor and a commander said.

A senior member of former Al-Qaida affiliate Fateh al-Sham Front was killed by a drone in northern Syria Friday, a monitor said, in the latest strike against the group's leadership.

"A leading member of the Fateh al-Sham Front, Abu Al-Hassan Taftanaz, died in a drone attack" in the northwestern province of Idlib, the Syrian Observatory for Human Rights said.