Chemical weapons found in Mosul in Isis lab, say Iraqi forces

Special forces say mustard agent and Russian surface-to-air missiles found in site set up in Nineveh ruins Iraqi forces have said they have discovered a mustard chemical warfare agent in eastern Mosul alongside a cache of Russian surface-to-surface missiles. Iraqi and US officials have repeatedly warned of efforts by Isis to develop chemical weapons. When Iraqi forces retook Mosul University this month, they found chemistry labs they believed had been converted into makeshift weapons labs.