Jihadists use phosphorus in chemical attack in Aleppo - Syrian Kurds.Armed Islamist opposition fighters have used yellow phosphorous in a chemical attack on the Sheikh Maqsood neighborhood in the Syrian city of Aleppo on Tuesday, Kurdish militia group YPG said. Several soldiers were admitted to a hospital. The victims are suffering from itching skin and other symptoms of a chemical poisoning, RT’s Lizzie Phelan reports, citing sources in the YPG.