A new four minute video released Thursday evening by B'Tselem, showed a soldier head butting a Palestinian teen and kicking him, the day before.
The IDF said it was investigating the incident. But it noted that the video, which has time lapses, does not show the whole incident.
"During routine activity in Hebron, a group of Palestinians refused to identify themselves," the IDF said.
One of the Palestinians than violently attacked a commander who arrived at the scene, the IDF said.