The battle for Syria
Inside a secret civil war, Channel 4 News witnesses Syria's bloody fight for freedom.
It has been a bad week for the American-led "strategy" against militants from so-called Islamic State - a strategy with the US president himself views with great qualms and some reluctance.
Islamic State fighters are reported to have seized the last border crossing between Syria and Iraq, in the latest advance by the jihadist group against Bashar al-Assad's struggling military.
Concerns are raised over the fate of ancient monuments in the Syrian city of Palmyra - but the victory by the Islamic State group is first and foremost a strategic one.
Islamic State militants group claim they are in control of all of the Syrian city of Palmyra, home to one of the world's most important heritage sites, vowing to destroy its priceless treasures.
Labour and the Tories say they'll spend 2 per cent of GDP on defence, as a Nato commitment. Both are pledged to spend 0.7 per cent of GDP on foreign aid. Why? To what end?
Islamic State fighters take control of large parts of the Yarmouk refugee camp in Damascus - a sign that the brutal jihadi group's is trying to open a new front in the Syrian capital.
Syrian rebels, including the al-Qaeda linked al-Nusrah Front, claim to have seized control of Idlib - capital of Syria's northwestern province.
Four years of civil war have plunged the country in to darkness - with new analysis of satellite imagery showing that 83 per cent of lights in the country have gone out.
The Islamic State group posts a video showing a child executing a man accused of joining the jihadi group in order to spy on it for Israeli security services.