Correction, minor was a description of the explosive they used to blow up the backpack, NOT a description of the "2nd device" they thought might have been in the backpack.
We still don't know there was a 2nd bomb, only that the police used a small amount of explosives to detonate a backpack found on the scene.
And supposedly the explosion as heard tonight in Norman was the cops blowing up whatever was found in the apartment today....
I keep asking where is the lame stream press?