Russia and China veto UN resolution on Aleppo
Russia and China veto Security Council resolution calling for a seven-day ceasefire in Aleppo.

Russia and China veto Security Council resolution calling for a seven-day ceasefire in Aleppo.

Second Russian jet crashes while attempting to land after bombing raid in Syria.

Syrian army advances as civilians flee.

Security Council resolution will slap sanctions on Syrian authorities responsible for the use of chemical weapons.

Syria's rebels lose all of the northern neighborhoods of their stronghold in east Aleppo as the army advances.

Syria launches blistering attack on "Western" countries that have accused it of using chemical weapons.

Egypt denies Arab media reports that it sent air force pilots to Syria's Hama province.

Nearly 10,000 civilians flee eastern Aleppo as government retakes areas held by rebels.

Syrian state media says government forces captured the largest rebel-held district of Aleppo.

Member of the United States military dies from wounds caused by a blast by an improvised explosive device in northern Syria.

Aleppo hospital hit during bombing run.

UN envoy says time is "running out" for efforts to avoid a humanitarian catastrophe in Syria's war-battered Aleppo.

Syrian air strikes and shelling kill 25 civilians in eastern Aleppo.

Syria's regime and its ally Russia launch wide-ranging assault on rebels in Aleppo, sparking fury in Washington.

Syrian government forces recapture all areas taken by rebel fighters in a recent assault on eastern Aleppo.

Russia says UN request to extend future pauses in fighting in Aleppo is "counterproductive".

Israel strikes Syrian army position in response to rocket landing in Golan Heights.

Syrian President claims Western powers are "becoming much weaker" in Syria, praises Russia.

Russian PM warns of the 'day after' Syrian civil war, as radicalized foreign fighters return home and country is 'Balkanized' by terrorists.

Syrian rebels renew their bid to break a government siege of eastern Aleppo, hours before a Russian-declared ceasefire due to begin.

Security Council extends mandate of a panel investigating chemical attacks in Syria until November 18.

Syrian state media claims rebels fired shells containing toxic gas into government-held parts of Aleppo.

Russian President rejects request to lift a moratorium on air strike on Syria’s Aleppo.

Russia dismisses UN-led investigation showing that Syrian forces carried out three chemical attacks, opposes sanctions.

Russia denies involvement in bloody air strikes on a school in Idlib in which 22 children were killed.

Air strikes on school in Syria's rebel-held Idlib kills 22 children and six teachers.

Hezbollah leader Hassan Nasrallah claims the West was responsible for the establishment of the Islamic State jihadist group.

Heavy clashes erupt in Aleppo after unilateral ceasefire announced by Russia expires.

UN Secretary-General Ban Ki-moon says that nearly 500 people have been killed in Aleppo.

Syria's President says photo of 5-year-old who covered in dust and blood in Aleppo had been manipulated.

Russian media reports the IDF approached Russia to request new coordination procedures after Russia stationed S-300 missiles in Syria.

United States, Britain and Western allies considering imposing sanctions against economic targets in Syria and Russia.

Talks between Washington, Moscow and Syria's neighbors end within hours.

Aleppo bombings get heavier as talks of new ceasefire progress.

Syria’s President claims Israel is supporting the "terrorists" in his country, including jihadist groups like ISIS.

At least 20 people killed in a car bomb blast near the town of Azaz in Syria's Aleppo province.

Russian President cancels visit to France after Francoise Hollande says Russia helped Syria commit a war crime in Aleppo.

Newest Russian raids in Aleppo kill at least 12 civilians.

Ban Ki-moon again asks the Security Council to formally request that the ICC begin investigations of war crimes in Syria.

For the fifth time in five years, Russia vetoes UN draft resolution on Syria.

Syrian President warns rebels in Aleppo that unless they agree to a deal, his forces would have "no option" but to expel them from the city.

Syria's army surprisingly announces it is reducing its bombardment of rebels in Aleppo.

State Department spokesman says American agencies are considering a variety of options to deal with the crisis in Syria.

Russia sends the S-300 anti-missile system to its naval facility in the Syrian city of Tartus.

As Syrian government and allied forces advance toward Aleppo, rebels are offered state passage and aid supplies.

UN Secretary-General announces a board of inquiry will investigate the bombing of an aid convoy in Syria.

Syrian civilians fear world has abandoned them, ask that sick and wounded be evacuated.

United Nations aid chief warns that Aleppo faces a humanitarian catastrophe "unlike any" witnessed so far in Syria's brutal five-year war.

Secretary of State John Kerry warns that Washington is “on the brink” of ending its talks with Russia on the Syrian conflict.

US President defends his refusal to use force in Syria, as diplomatic efforts fail and carnage continues with no end in sight.

Pattern of apparently deliberate targeting of hospitals and medical facilities emerges in Syria.

After continued Russian attacks on Alleppo, US Secretary of State John Kerry warned that he would suspend talks on Syrian conflict.

As tensions between the two world powers escalate, experts say the Russians are 'going all out' in Aleppo to make US accept its demands.

Regime forces advance in battle for Aleppo after days of intensive bombing. Experts say Russia has given up on cooperating with US.

Trust between world powers collapses together with the short-lived reprieve from fighting, boding ill for civilians in the Syrian city.

Syrian civil war battle in Aleppo has been called the biggest urban battle since Stalingrad in World War II. Here is the sequence of events.

70 trucks of humanitarian aid delivered to four besieged towns in Syria for the first time in almost six months.

As brutal fighting continues in Aleppo, US & allies press Russians to take 'extraordinary steps' to resuscitate dead ceasefire.

Top EU officials say attacks on civilians in the Syrian city of Aleppo amount to a "breach of international humanitarian law".

