What was found in the crater in Khan Sheikhoun?13 Apr, 2017
Remains of a surface to surface sarin projectile shot from the north.
Remains of a surface to surface sarin projectile shot from the east, west or south.
Remains of a sarin improvised explosive device (IED).
Remains of an aerial sarin bomb.
Remains of something other than a sarin bomb, projectile or IED.
Eyewitnesses from the town claim that the chemical effects began near the crater site.
The only remains seen in the crater are what appear to be a flattened cylindrical metal piece with some green coloring and a flat circular component resembling a cap measuring 11 cm across.
Photos of the crater do not match the videos showing the alleged moment of the aerial attack.
Early photos of the crater site from the April 4 show white residue or liquid around the crater not visible in later photos.
What caused the chemical calamity in Khan Sheikhoun on April 4, 2017?