Saudi Arabia's king promised a multibillion dollar package of reforms, raises, cash, loans and apartments on Friday in what appeared to be the Arab world's most expensive attempt to appease residents inspired by the unrest that has swept two leaders from power.

He also announced 60,000 new jobs in the security forces — a move that would employ huge numbers of otherwise jobless young men, while bolstering his kingdom's ability to snuff out protests.

U.N. chief Ban Ki-moon is to join a summit on Libya between the European Union, the Arab League and the African Union in Paris on Saturday, the head of the League's secretariat said on Friday.

"The Arab League has received an invitation from France to take part in a one-day summit between the EU, the African Union and the Arab League tomorrow to discuss the situation in Libya and how to tackle it in the light of the latest U.N. resolution," Hisham Yussef said.

More than 30 anti-regime protesters were shot dead and over 100 wounded during a demonstration in the Yemeni capital Sanaa on Friday, medics and witnesses said.

According to witnesses, pro-regime "thugs" opened fire on protesters calling for the ouster of President Ali Abdullah Saleh from houses close to the square at Sanaa University.

Plainclothes Syrian security men broke up an apparently spontaneous demonstration by dozens of people after Friday prayers at the main mosque in Damascus, Agence France Presse reporters witnessed.

"God is greatest," a crowd inside the men's section of the Omayyad mosque started chanting in crescendo after prayers.

An indiscriminate attack on civilians in Benghazi would constitute "war crimes", the prosecutor of the International Criminal Court warned the Libyan government on Friday.

"Any indiscriminate attack against civilians would constitute war crimes," prosecutor Luis Moreno-Ocampo told journalists in The Hague.

Thousands of Bahraini Shiites defied martial law to renew their pro-democracy protests on Friday, as they gathered after prayers and to bury a victim of the security forces' bloody crackdown.

"We sacrifice blood and soul for Bahrain," they chanted, alongside calls for restraint and non-violence in the face of alleged crimes against international law committed by the Sunni-ruled kingdom's police and military.

Pro-democracy activists who spearheaded the mass rallies that ousted Egyptian strongman Hosni Mubarak were poised for a new protest Friday on the eve of a referendum on the military's transition plans.

The Coalition of the Youth of the Revolution called the rally in Cairo's Tahrir Square to urge voters to reject an amended constitution intended to underpin fresh presidential and parliamentary elections this year and a swift return to civilian rule.

A son of Libya Moammar Gadhafi on Friday said his family was "not afraid" after the United Nations approved air strikes against forces loyal to his father's regime.

"We are in our country and with our people. And we are not afraid," Seif al-Islam Gadhafi told ABC News Nightline from the Libyan capital Tripoli.

Qatar will contribute to international efforts to protect Libyan civilians and urged quick action to impose a no-fly zone on the North African country, state news agency QNA reported on Friday.

"Based on the U.N. Security Council resolution, Qatar has decided to contribute in the efforts aiming at stopping bloodshed and protecting civilians in Libya," QNA quoted a foreign ministry official as saying.

Military action to protect civilians from Libyan leader Moammar Gadhafi's forces will come within "hours" and France will participate in the strikes, government spokesman Francois Baroin said Friday.

The strikes will come "rapidly... within a few hours," he told RTL radio after the U.N. Security Council on Thursday cleared the way for air strikes by approving "all necessary measures" to impose a no-fly zone on Libya.