Emmy-award winning journalist Ramita Navai reveals the other side of the war against ISIS in Iraq, looking at allegations of torture, execution and sectarian cleansing of Sunni refugees by Shia militias.

Historian Tom Holland traces the origins of Isis's extreme violence, which it claims is justified by the tenets and scriptures of Islam: a claim contrary to most Muslims' interpretation of their faith

Abigail Austen has unique, extraordinary access to the battle against Isis and the Taliban in Afghanistan, where the Taliban are threatening to take everything Britain helped fight for