Nato has told President Bashar al-Assad that any use of chemical weapons in his fight against rebel forces would be met by an international response.
The government shut down the internet across the country and cut cellphone services in select areas as rebels and government troops wage battles.
Nobel Peace laureate Jose Ramos-Horta has warned Syria risks becoming a new Somalia as he voiced pessimism at any quick solution to the bloodshed.
Fighting has erupted in a Damascus suburb and around a Syrian army base as a truce marking a Muslim holiday crumbled almost before it had begun.
The only way forward for Syria is to broker a political settlement in consultation with Russia and Iran, writes Peter Hain.
The funeral of an assassinated Lebanese intelligence chief ended in violence as mourners broke away and tried to storm the prime minister’s offices.
International peace envoy Lakhdar Brahimi has warned the Syria conflict risks setting the region "ablaze" as clashes broke out across with Lebanon.
Car bombs tore through Syria’s second city Aleppo on Wednesday, leaving dozens dead, as shells from the conflict crashed into neighbouring Turkey.
Hundreds of international fighters have flocked to Syria to join the war against Bashar al-Assad’s government, most of them ill-equipped.
More than 305 people were killed across Syria on Wednesday, making it the bloodiest single day of the 18-month revolt, an NGO has revealed.
UN secretary general Ban Ki-moon has issued a strong rebuke over security council inaction, saying world leaders "should not look the other way".
In the bleak, windswept landscape of the swelling Za’atari camp in Jordan, child refugees are struggling to cope with the horrors of Syria’s war.
Jihadi veterans of Iraq, Yemen and Afghanistan have joined up with foreign idealists on the frontline of Aleppo against Syria’s Bashar al-Assad.
Syrian troops have bombarded a central area of Aleppo after a day of fierce clashes with rebels who tried to take the regime-controlled district.
Red Cross chief Peter Maurer has held a "positive" meeting with Bashar al-Assad in Syria during which he voiced concerns over humanitarian abuses.
The Arab Gulf has slated Syria’s regime for deploying heavy weapons against civilians, as more than 100 people were killed in bombings and air raids.
The United Nations Security Council will meet on Thursday to tackle deteriorating humanitarian conditions in Syria.
Syria’s refugee exodus is growing and up to 200 000 people could settle in Turkey alone if the conflict worsens, adding pressure for a buffer zone.
State television has confirmed a helicopter crashed in Damascus but gave no details as Bashar al-Assad continues to bombard rebel-held districts.
More than 200 bodies have been found in basements and houses, and most were killed "execution-style" by troops on house-to-house raids.
As the passengers from battle-ravaged Aleppo disembarked at Yerevan’s Zvartnots airport, tearful relatives gripped them tightly in emotional embraces.
Bashar al-Assad has made a rare public appearance for the end of Ramadan but activists say his forces are pressing on with a blitz of rebel areas.
The Organisation of Islamic Cooperation has suspended Syria’s participation, citing President Bashar a-Assad’s suppression of the Syrian revolt.
Syria’s former prime minister Riyad Hijab claims Bashar al-Assad’s regime is on the point of collapse, having lost control of most of the country.
Syrian President Bashar al-Assad has appeared on television for the first time in more than two weeks as his troops fight rebels in Aleppo.
Syrian Prime Minister Riyad Hijab is the latest to jump ship as defections continue to rattle Bashar al-Assad’s increasingly unstable regime.
Syrian rebels have bombarded an air base used by regime forces to pound Aleppo, while dozens have been reported killed in a raid near Damascus.
Outnumbered and outgunned, anti-regime guerrillas are fighting to stave off an onslaught by Bashar al-Assad’s forces in Aleppo, Syria.
Syrian gunships pound rebels and troops clash with insurgents in Aleppo as world powers voice calls for "maximum pressure" to prevent a massacre.
Condemnation of Syria has increased after it issued a veiled threat to use chemical or biological weapons if it was attacked by outside forces.
Assad’s move to protect his capital has been compared to a doctor "abandoning the patient’s limbs to save the organs".
A fourth member of Syrian President Bashar al-Assad’s inner circle has died from a bomb attack this week as rebels converge on the capital.