An Iraqi court on Sunday sentenced to death an eighth Frenchman for joining the Islamic State group, rejecting his claims he was tortured into confessing.

Palestinian worshipers clashed with Israeli police at a highly sensitive Jerusalem holy site on Sunday as an Israeli holiday coincided with the final days of the Muslim holy month of Ramadan.

Ankara and Moscow are again facing an escalation of violence in Syria's last rebel-held territory, a development that puts their cooperation to the test even as they support opposing sides in the eight-year war that has devastated Syria.

An all-out offensive by Syrian government forces to capture Idlib in northwestern Syria from insurgents could unleash an unprecedented humanitarian crisis, for the area is home to 3 million people.

Turkey's President Recep Tayyip Erdogan was notably absent from a key summit of the 57-member Organization of Islamic Cooperation (OIC) in the Saudi holy city of Mecca early Saturday, an AFP photographer said.

A Saudi-hosted Islamic summit on Saturday threw its support behind Palestinians ahead of a US-led peace plan suspected to be skewed in favour of Israel, as Muslim states rallied around Saudi Arabia over tensions with Iran.

Large crowds of Algerians on Friday took to the streets of the capital, where dozens were detained ahead of the latest protest two months after leader Abdelaziz Bouteflika resigned.

Thousands of Iranians joined annual rallies in support of the Palestinian cause on Friday, rejecting a U.S. peace plan President Donald Trump has dubbed the "deal of the century."

A spike in violence in and around a jihadist bastion in northwest Syria has killed 948 people in a month, almost a third of them civilians, a war monitor said Friday.

Turkey President Recep Tayyip Erdogan has called for the ceasefire in the Syrian province of Idlib to be respected, during a telephone call with Russian counterpart Vladimir Putin, the Turkish presidency said.

The US-led coalition said Friday it had unintentionally killed more than 1,300 civilians in air strikes during its fight against the Islamic State group in Iraq and Syria since 2014.