Actually, let's clear up a misunderstanding.
Source:
http://www.reuters.com/article/idUSL1617459520070716
More from the Reuters article:
The contention is whether gunfire/hostilities existed in this area. I think from the video, there is no evidence of US soldiers being fired on.
However, I missed this (sorry Shiz):
Can someone translate? Am I missing something here or does it say they are simply responding to reports of gunfire (and not US soldiers under attack). To reiterate, the Army said this was a fire fight before and during the incident.