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.

Baghdad's Green Zone has been a barometer for tension and conflict in Iraq for nearly two decades.

The 4-square mile (10-square kilometer) heavily guarded strip on the banks of the Tigris River was known as "Little America" following the 2003 U.S. invasion that toppled dictator Saddam Hussein. It then became a hated symbol of the country's inequality, fueling the perception among Iraqis that their government is out of touch.

Human Rights Watch on Friday condemned France's "outsourcing" of trials of Islamic State group suspects held in Iraq where seven of its nationals have this week been sentenced to death.

Tehran accused Riyadh Friday of "sowing division" in the region to Israel's advantage, after the kingdom hosted summits of Gulf and Arab leaders to rally support against the Islamic republic.

Saudi Arabia's King Salman opened an emergency summit of Arab leaders in Islam's holiest city of Mecca on Friday with a call for the international community to use all means to confront Iran, but he also said the kingdom remains committed to peace.

King Salman delivered his remarks at Arab summits in Mecca that were hastily convened after a spike in tensions between Saudi Arabia and its rival Iran.