Suhayb Elkhalid, 25, filmed the alleged strike and its aftermath and uploaded the video to YouTube, where we found it.
We contacted Elkhalid via Skype a few hours after the alleged incident. Portions of our video chat are dark, as he claims he was using a generator-powered computer due to power outages in the area.
Elkhalid filmed apparent victims of the strike frothing at the mouth and gasping for air.
“We know it’s a chemical attack,” he told Vocativ.
He has gathered what he claims is physical evidence of the strike — “the empty bombs”, soil samples, clothes — and is trying to get it across the border to Turkey for testing. We will continue to report on this story…