International envoy Lakhdar Brahimi has called for a ceasefire in Syria during the upcoming Muslim holiday of Eid al-Adha, as the revolt enters its 20th month with a death toll of more than 33,000.
Turkey has banned Syrian flights from its airspace in a tit-for-tat move, while Iran handed a "detailed proposal" to UN-Arab League envoy Lakhdar Brahimi aimed at ending the conflict between the Syria's army and rebels.
Europe's foreign ministers will sharply ramp up the pressure on Iran and Syria at talks Monday, while taking a "big step" in Africa by agreeing to assist Mali reconquer its north from rebels and Islamist extremists.
The US has denounced Russia's policy of aiding the Syrian regime as "morally bankrupt," as tensions between Damascus and Ankara escalate over cargo seized from a Syrian passenger plane.
The war of words between Syria and Turkey escalated on Thursday when Ankara said it had found military supplies on a passenger plane it intercepted en route between Moscow and Damascus.
Turkey seized "objectionable cargo" aboard a Syrian passenger plane which it intercepted en route from Moscow to Damascus on Wednesday, Turkish Foreign Minister Ahmet Davutoglu said.
President Hugo Chavez vowed Tuesday to keep supporting Bashar al-Assad, calling him Syria's legitimate president and blaming the United States for the war that has raged on for nearly 19 months.
Three-quarters of African countries and several "Arab Spring" nations are at high or extreme risk of a food crisis, according to an analysis published on Wednesday.
Russia eyes a record arms deal and rare agreement over Syria on Tuesday when it hosts Iraqi Prime Minister Nuri al-Maliki for the first time in almost four years.
A string of rebel strongholds, including in Daraa and Homs provinces and the commercial capital Aleppo, were rocked by shelling and clashes from dawn on Monday that left at least 23 people dead.
Syria's army rained shells on rebel bastions in and around Damascus Tuesday and sent extra troops to second city Aleppo, as a watchdog said the death toll from 18 months of violence now topped 31,000.
Latin American and Arab leaders agreed to form a joint investment bank during a summit in Peru at which they also discussed the increasingly bloody civil war in Syria.
Shelling and air raids killed dozens of Syrian civilians, including children, on Monday, a watchdog said, while rebels and loyalists fought close-quarter battles in Aleppo's main souk.
Iran on Monday added its voice to warnings against Syria ever using chemical weapons in its increasingly large-scale war with anti-government insurgents.
"I wish I could live at the Zaatari Syrian refugee camp because there is water there," a Jordanian man says, frustrated that he has not had any tap water of his own in months.
Syrian grassroots activists working to run field hospitals and repair fuel lines will Friday urge world leaders to do more to help a stricken people caught up in the battle to oust the Assad regime.
Two bombs struck the Syrian army headquarters in the heart of Damascus Wednesday, as Hillary Clinton appealed for the "paralyzed" UN Security Council to find a way to end the conflict.
The emir of Qatar has called for an Arab intervention in Syria and a no-fly zone to protect refugees as President Bashar al-Assad's forces stepped up the battle for Aleppo.
Western and Arab leaders ramped up the pressure on Syria and Iran at the United Nations on Tuesday, as US President Barack Obama vowed to keep Tehran from getting its hands on nuclear weapons.