The Guardian reports: Kurds battling Islamic State militants for control of Kobani fear the extremist group may have used an unidentified chemical weapon, according to officials and one of the few doctors still working in the besieged Syrian town.

Patients with blisters, burning eyes and breathing difficulties turned up at a clinic after a blast was heard on Tuesday evening, Dr Walat Omar said. He described the symptoms as abnormal and said he could not identify their cause, but suspected a chemical weapon.

“After a loud explosion [on Tuesday night], we received some patients with abnormal symptoms. They reported a bad smell which produced some kind of allergic reaction,” Omar said in a telephone interview that was periodically disrupted by heavy explosions. [Continue reading…]