Enough documentary evidence has been accumulated to prosecute the Syrian president.
The Syrian Observatory for Human Rights said the militants carried out raids on villages inhabited by the ancient Christian minority west of Hasaka.
Hundreds of armed Turkish forces have entered Syria to evacuate troops guarding an Ottoman tomb.
M&G's photo editor Paul Botes brings you a selection of captivating photos from around the world, including some of the events that made headlines this year.
Contradictions mean little to a dressmaker who patches up the people she shoots.
Guerrilla group "White Shroud" is hunting down Islamic State in Iraq and the Levant fighters in eastern Syria.
A looming bloodbath is spurring a Kurdish revolt in Turkey that could spin out of control.
United States President Barack Obama vowed to continue air strikes against Islamic State fighters and pledged to build more international support.
Desperate women are seeking refuge from war in arranged marriages, despite reports of abuse.
A Western-backed coalition of Syria's opposition to President Bashar al-Assad says it is ready to work with the US to fight the Islamic State.
Islamic militants released US journalist Peter Theo Curtis on Sunday, less than a week after grisly footage emerged of the execution of James Foley.
A witness to the US raid in Syria has described how dozens of commandos arrived in the middle of the night on heavily armed helicopters.
The United States has revealed a military attempt to rescue slain journalist James Foley from terrorist group Islamic State in Iraq and the Levant.
Jihadists have killed 270 Syrian regime fighters, civilian security guards and staff since seizing a gas field in Homs, a monitoring group said.
The United Nations will vote on a draft resolution which will allow the delivery of humanitarian aid to Syrians without government consent.
Human Rights Watch has revealed how armed groups in Syria have used children as young as 15 to fight in battles, which violates international law.
The 'blood election' has been widely denounced – but it strengthens Al-Assad’s regime regardless.
The Syrian government is crushing rebel fighters and human rights organisations have evidence it is still using chemical weapons on its people.
Syria's governement says a presidential election will take place on June 3, but Western leaders say the vote is a "parody of democracy".