An increasingly complicated armed conflict is pitting rebel groups in Syria not only against the regime and its allies, but also against each other

Isis in position to advance on Damascus

Some locals cheer beheadings of informants and state officials

Editorial Comment

US is right to extend fight against Isis but its goals must be defined
Syria’s sham election is a ‘tableau vivant’ of tyranny
Notion west can deal with Syrian leader must be rejected

Isis militants control half of Syria

Pro-opposition locals say jihadis ‘more merciful’ than Assad

Syrian middle class hit by rebel gains

Regime struggles to ensure stable living conditions in Damascus

Intelligence tsar takes Assad secrets to grave

Death revives suspicions of Syrian complicity in Hariri assassination

Coalition air raid kills civilians in Syria

Anti-Assad rebels say air raids push Syrians into arms of Isis

Regional shifts pile pressure on Assad

The stalemate is fracturing and spells danger for Damascus

Syrian rebels capture Jisr al-Shughour

Islamist advances suggest Assad is losing grip on northwest

Syrian rebels heartened by Sunni unity

Military gains on northern and southern frontiers point to co-ordination

Isis senses territorial gains in Syria

Regime weakness offers jihadis opportunity to advance

Palestinians flee Damascus refugee camp

Fierce fighting as Isis gains foothold in Syrian capital

Isis edges closer to Syrian capital

Palestinian district of Yarmouk under attack from jihadis

Fighters flock back to resurgent al-Nusra

Al-Qaeda affiliate ranks swell after gains in northwest Syria

Islamist groups seize Syrian city of Idlib

Hardline insurgents gain control of second province

Assad regime accused of gas attack

Reports claim six died in bombing of Sarmin

US willing to talk to Assad, says Kerry

Comments point to renewed push to end bitter Syrian conflict

Explainer: Syria’s militant groups

Jihadi organisations and non-Islamist brigades active in the conflict

US-backed Syrian rebel group dissolved

Blow to western efforts to strengthen groups able to fight jihadi forces

Lebanon border clamp adds to refugee woes

Curbs leave more Syrians stranded in a country mired in bloodshed

Turkey enters Syria to evacuate enclave

Burial ground of Ottoman forebear was under threat from Isis jihadis

Rockets from Syria hit Golan Heights

Israel returns fire and puts defences on alert