Turkish jets have shot down a warplane that violated national airspace at the border with Syria, according to reports in the country.
The use of chemical weapons is “becoming routine in the Syrian civil war”, a US official has said.
Vladimir Putin has ordered the Russian missile cruiser Moskva, currently in the Mediterranean, to start co-operating with the French military on operations in Syria.
Foreign ministers from more than a dozen nations have begun a meeting in Vienna seeking a way to resolve the conflict in Syria.
Russia has sent anti-aircraft missiles to Syria to safeguard its jets involved in air strikes against militants.
US president Barack Obama has said America will not put its troops on the front line in Syria to fight the Islamic State group (IS), despite his decision to deploy special forces on the ground.
The United States has ramped up its support for Syria’s opposition with a pledge of nearly $100m in fresh aid.
Moscow claims it has destroyed the combat capability of the main terrorist groups in Syria.
Iran and its proxy militia in Lebanon have poured in hundreds of fighters to central and northern Syria in recent days.
The US-backed Kurdish administration in northern Syria has deliberately displaced thousands of mainly Arab citizens and demolished homes, according to Amnesty International.
President Vladimir Putin has denied that Russian air strikes are hitting moderate opposition groups rather than Islamic State militants.
Intense fighting between insurgents and Syrian troops has continued in the country’s centre amid new territorial gains for the government backed by Russian airstrikes.
Russia is using warships in the Caspian Sea to target the so-called 'Islamic State' state group in Syria, defence minister Sergei Shoigu said.
More than 100 Irish troops return home today after a six-month mission in Syria's Golan Heights.
US Pentagon officials urged the Russian military to focus its airstrikes in Syria on the so-called 'Islamic State' (IS) group fighters rather than opponents of Syrian President Bashar Assad.
Western governments have expressed concern that Russian airstrikes in support of the beleaguered regime of Bashar Assad are targeting moderate Syrian opposition groups.
Russian President Vladimir Putin says it is impossible to defeat the Islamic State group without cooperating with the Syrian government.
Russian aircraft flying into Syria are delivering military supplies and humanitarian aid, according to Russia’s foreign minister Sergey Lavrov.
At least seven people have been killed and more than 40 others wounded by a car bomb in the port city of Latakia in Syria.
Israel’s air force carried out a drone strike in southern Syria, killing five civilians, while a soldier was killed and seven wounded in an air raid overnight, Syrian state TV reported.
The United Nations humanitarian chief said he is “horrified” by the attacks on civilians taking place in Syria, singling out government air strikes the previous day that killed nearly 100 people in a Damascus suburb.
Syrian authorities have arrested a relative of President Bashar Assad on suspicion of shooting a senior army officer in a traffic dispute, setting off rare protests in a coastal stronghold of the Assad family.
Forty-three British women and girls are believed to have travelled to Syria from Britain in the past 12 months, police have revealed.
Angelina Jolie has warned refugees are "running out of places to run to" after figures showed almost 60 million people around the world are currently displaced.
Children feared to have been taken by three sisters to Syria told their fathers they “can’t wait to come home” during their last conversation before they went missing, the family’s lawyer has revealed.
Islamic State militants are said to be advancing toward the historic city of Palmyra in central Syria, seizing an oil field and taking control of the water company on the outskirts.
Syrian insurgents have captured several government airmen after their helicopter crashed in a rebel-held area of north-western Syria.
A twin bombing attack targeting Kurds celebrating their new year has killed and wounded dozens of people in Syria, state media and activists said.
Syria's President Bashar Assad has said his government has been receiving general messages from the American military about air strikes targeting the Islamic State group inside Syria, but there is no direct co-ordination.
There have been appeals to the international community for help after a snowstorm killed at least five people in the Middle East.
An Icelandic Coast Guard ship was today towing a cargo vessel to Italy with about 450 migrants who were abandoned by smugglers, leaving the vessel navigating without a crew, authorities said.
The Syrian government is prepared to attend peace talks Russia plans to hold next month, according to state media.
US-led coalition air strikes on Syria have killed more than 500 people, mainly Islamic militants, since they began last month, activists said as fighting flared in the northern Syrian border town of Kobani.
The US military has airdropped weapons, ammunition and medical supplies to Kurdish forces defending the Syrian city of Kobani against Islamic State militants.
Turkey will let US and coalition forces use its bases for attacks against Islamic State (IS) militants in Syria and Iraq, American defence sources have said.
The US-led coalition has intensified its aerial bombardment of Islamic State (IS) positions in the Syrian border town of Kobani as the extremist group fought street battles with Kurdish forces and reportedly rushed in reinforcements.
The contingent of Irish troops who came under attack during their United Nations peacekeeping mission in the Golan Heights have returned home.
Islamic State fighters backed by tanks and artillery have pushed into an embattled Syrian town on the border with Turkey, sparking heavy street battles with the town’s Kurdish defenders.
US-led coalition warplanes have struck an oil refinery controlled by the Islamic State group inside Syria, residents of a Turkish border town said.
The US and and five Arab countries have launched air strikes against Islamic State group targets in Syria for the first time, using fighter jets, bombers and Tomahawk cruise missiles fired from ships in the region.
Minister for Defence Simon Coveney has said says he will decide by the end of the month on whether more Irish troops should be sent to Syria.
Fiji has sent mixed messages on whether its 45 United Nations peacekeepers that are being held captive by Syrian insurgents will be freed soon.
The Taoiseach Enda Kenny has said Irish troops serving on a peacekeeping mission in the Golan Heights must not be dragged into the civil war in Syria.
Al Qaida-linked Syrian rebels holding 45 Fijian peacekeepers hostage have issued a set of demands for their release, an official said today.
Defence Minister Simon Coveney has said that Irish troops deployed as part of the UN mission in the disputed Golan Heights will not be replaced unless the mission is reviewed.
Syrian rebels holding dozens of Fijian UN peacekeepers hostage have attacked Filipino troops in the Golan Heights, Philippine officials said.
Syrian rebels backed by al-qaida have seized a border crossing in a region where 130 Irish troops will be deployed next month.
An independent United Nations commission has said the Syrian government is likely to have used chlorine gas to attack civilians.
Sixteen people, including three civilians, have been killed in air strikes by the Syrian army against an eastern town which was captured by fighters from an al Qaida breakaway group a day earlier, according to activists.
More than 50 million people had been forced from their homes worldwide at the end of last year, the United Nations refugee agency has said.
Syrian president Bashar Assad has declared a general amnesty for prisoners in the country, state media reported.
A mortar shell has hit an election rally for Syria’s president Bashar Assad, killing 21 people.
The head of Syria’s air defences has been killed in clashes near the capital, Damascus, one of a few high-ranking military officers to be killed in the country’s civil war.
Hundreds of Syrian rebels have started evacuating their last bastions in the central city of Homs under a ceasefire struck last week with government forces, activists said.
The UN’s top human rights official has condemned the “rampant use of torture” in detention facilities in Syria.
The United Nations has said it is alarmed at the “violent nature” of a demonstration in a massive Syrian refugee camp in Jordan.
Turkey has shot down a Syrian warplane over the border between the two countries.
Syrian troops captured a famed Crusader castle near the border with Lebanon today, running the two-starred government flag high above the stone ramparts of the 12th century fortress after days of intense clashes with rebel fighters.
If you haven't watched this, you really should.
Ireland has pledged another €5m to assist civilians affected by the Syrian crisis.