US-led warplanes bombed the north bank of the Euphrates River in eastern Syria early Friday to flush out holdout jihadists from the last sliver of their crumbling "caliphate".

Friday's bombardment ended two days of relative calm on the front line in the remote village of Baghouz near the Iraqi border. 

Turkish President Recep Tayyip Erdogan on Friday warned US President Donald Trump's pledge to recognise Israel's disputed annexation of the Golan Heights would risk a "new crisis".

"Yesterday US President Trump's unfortunate statement about the Golan Heights brings the region to the edge of a new crisis," Erdogan told an emergency meeting of the Organisation of Islamic Cooperation (OIC) in Istanbul.

Tens of thousands of Algerians once again staged huge demonstrations Friday, a month after ailing President Abdelaziz Bouteflika's bid for a fifth term sparked a protest movement that shows little sign of abating.

The Syrian government on Friday condemned US President Donald Trump's pledge to recognise Israel's annexation of the Golan Heights, which it seized from Syria in 1967.

The Palestinian Authority faces a suffocating financial crisis after deep US aid cuts and an Israeli move to withhold tax transfers, sparking fears for the stability of the West Bank. 

The authority, headed by President Mahmud Abbas, announced a package of emergency measures on March 10, including halving the salaries of many civil servants.

Iraq's prime minister decreed three days of national mourning Thursday as he visited the site of a river boat accident that cost at least 77 lives in the city of Mosul.

Israeli Prime Minister Benjamin Netanyahu on Thursday welcomed U.S. President Donald Trump's "historic" pledge to recognize Israel's disputed annexation of the Golan Heights, which it seized from Syria in 1967.

U.S. top diplomat Mike Pompeo became the first high-ranking American official to visit the Western Wall in annexed east Jerusalem with an Israeli prime minister on Thursday, giving another boost to Benjamin Netanyahu's re-election campaign.

President Donald Trump said on Thursday the United States should acknowledge Israeli sovereignty over the hotly-contested Golan Heights, in a major pre-election gift to his ally Israeli Prime Minister Benjamin Netanyahu.

"After 52 years it is time for the United States to fully recognize Israel's Sovereignty over the Golan Heights," Trump said in a tweet.

Saudi women held in detention for nearly a year have been charged following contact with foreign media and activists, Human Rights Watch said Thursday, after they went on trial for undermining national security.