Syrian regime air strikes on the Islamic State group stronghold Raqa have killed at least 95 people, while a delegation from President Bashar al-Assad's government held talks Wednesday with key ally Russia.

The bombing Tuesday was the deadliest by Assad's air force in Raqa since fighters from the Sunni extremist IS seized the city last year and declared it their capital.

A Bahraini court has sentenced 12 people to up to 15 years in prison after they took part in a jailbreak earlier this year.

Two inmates who escaped from Jau prison in April were jailed for 15 years along with four accomplices, Northern Governorate Attorney General Hussain Al-Bouali said in a statement on Tuesday's sentencing.

Armed tribesmen blew up Yemen's main oil pipeline on Wednesday halting the flow to the export terminal on the Red Sea coast, tribal sources and an industry official said.

The 435-kilometer (270-mile) pipeline, which links the Safir oil fields, in Marib province, east of the capital, to the Ras Isa terminal, near the port of Hodeida, has been a repeated target of sabotage.

The U.N. Security Council will move to allow cross-border deliveries of relief supplies to Syria for another year, the president of the council said Tuesday, as new figures showed more Syrians were in need of aid.

The Council in July agreed in a resolution to allow truckloads of much-needed aid to cross into rebel-held Syrian territory without the consent of the Damascus regime.

The jihadist Islamic State group on Tuesday said it beheaded a member of the minority Ismaili community, an offshoot of Shiite Islam, accusing him of "apostasy".

"Yesterday (Monday) the Islamic police in Homs province carried out the punishment for apostasy against on an Ismaili apostate... The punishment was carried out before a group of Muslims," IS said in a statement distributed on jihadist forums.

A global advocacy group on Tuesday urged Morocco to speed up reform and remove "barriers to exercising freedoms" on the eve of an international human rights summit in the kingdom.

This week's forum in Marrakech "should be an opportunity for the Moroccan authorities to move from words to deeds" on rights reform, the head of the International Federation for Human Rights, Karim Lehidji, said in a statement.

The Islamic State group stoned two men to death in Syria Tuesday after claiming they were gay, a monitor said, in the jihadist organisation's first executions for alleged homosexuality.

"The IS today stoned to death a man that it said was gay," the Syrian Observatory for Human Rights said, adding that the victim was around 20 years old.

The Palestinian leadership on Tuesday slammed the Israeli government's approval of a law determining the country's status as the national Jewish homeland, saying it "killed" Middle East peace prospects.

The Palestine Liberation Organisation's executive committee expressed in a statement its "strong condemnation and rejection of this law".

An Emirati court Tuesday sentenced a local man to three years in jail after he posted social media reports on the imprisonment of his father, convicted along with dozens of other Islamists.

A state security court convicted the defendant for "creating a page on a social network under his own name to spread false information and ideas, and to mock and damage the reputation and status of state institutions," said the official news agency WAM.

A string of Syrian regime air strikes on the Islamic State group's self-proclaimed capital Raqa on Tuesday killed at least 63 people, more than half of them civilians, a monitor said.

The air strikes were the deadliest by President Bashar al-Assad's air force against Raqa since the Sunni extremist IS seized control of the city last year.