The United Nations on Monday revealed what it called "chilling" details of a sarin gas attack in Syria, leaving the major powers to battle over who was responsible. UN chief Ban Ki-moon condemned the use of chemical weapons in Syria as "a war crime" as the country's conflict again spilled...

U.N. inspectors said Monday there is "clear and convincing evidence" that chemical weapons were used on a relatively large scale in an attack last month in Syria that killed hundreds of people in the country's civil war. The findings represent the first official confirmation by scientific...

An Iranian war veteran fell into a coma in a Tehran hospital last week after suffering respiratory failure, his lungs ravaged by mustard gas during the  Iran -Iraq war 30 years ago. Hadi Kazemnejad is one of up to 1,000,000 Iranians who were exposed to chemical weapons by Saddam...

Jihadists and members of hardline Islamist groups make up almost half of forces fighting against Syrian President Bashar al-Assad, according to extracts from a British defence study published in Monday's Daily Telegraph. The analysis by defence consultancy IHS Jane's, due to be published in...