The world's chemical weapons watchdog has postponed Sunday's meeting to discuss a Russia-U.S. plan to destroy Syria's arsenal.

"The meeting of the Executive Council of the OPCW in regard to Syria, scheduled for Sunday has been postponed," the Organization for the Prohibition of Chemical Weapons said in a statement Friday.

A proposed resolution by Arab states criticizing Israel's widely-rumored atomic arsenal was narrowly defeated Friday at a gathering of the U.N. nuclear agency.

Following an acrimonious debate at the International Atomic Energy Agency's annual general conference, the measure, supported by Iran, was defeated by 51 votes against and 43 in favor with 32 abstentions.

Two bombs tore through worshipers gathering for prayers at a Sunni mosque in Iraq on Friday, killing 18 people, while three died in other attacks, officials said.

Militants have carried out numerous attacks on both Sunni and Shiite mosques this year, raising fears of a return to the all-out sectarian conflict that peaked in 2006-2007 and killed thousands of people.

Police on Friday hunted down militants in a village near Cairo as hundreds attended the funeral of a police general killed a day earlier when security forces overran the Islamist bastion.

A security official said 87 wanted men, some armed, had been arrested in Kerdassah, a village near the Giza pyramids, since the start of the operation on Thursday morning.

Tunisian women have traveled to Syria to wage "sex jihad" by comforting Islamist fighters battling the regime there, Interior Minister Lotfi ben Jeddou has told MPs.

"They have sexual relations with 20, 30, 100" militants, the minister told members of the National Constituent Assembly on Thursday.

Suspected al-Qaida militants killed at least 56 soldiers and policemen in three simultaneous attacks in southern Yemen on Friday, military sources and civilian officials said.

Two of the three attacks in Shabwa province, an al-Qaida stronghold, involved vehicle bombs, they said.

Syrian rebels have agreed a ceasefire with Al-Qaida loyalists after bitter fighting for a key border town, a monitoring group said on Friday, as the opposition condemned the jihadist assault.

The National Coalition accused Al-Qaida front group the Islamic State of Iraq and the Levant (ISIS) of violating the principles of the revolution by turning its guns on fighters of the mainstream Free Syrian Army (FSA) in Azaz.

As social media abound with horror stories of jihadists murdering minorities in Syria, a group of elderly Christians in Aleppo and the rebels who care for them portray a different reality.

They object to attempts, including by President Bashar Assad, to portray everyone fighting to overthrow the regime as jihadists seeking to eradicate anyone who is not an ultra-conservative Sunni Muslim.

Iranian President Hassan Rowhani offered to broker talks between the Syrian government and the opposition Thursday, as the United States called for a binding U.N. resolution on the regime's chemical weapons.

A "definitive" U.N. report has proved that the Syrian regime was behind an August chemical weapons attack, U.S. Secretary of State John Kerry said.

The U.N. Security Council must be prepared to agree to a binding resolution on Syria's chemical weapons next week, U.S. Secretary of State John Kerry said Thursday.

A "definitive" U.N. report had proven that the Syrian regime was behind an August chemical weapons attack, Kerry said.