Looked like one of those girls pushed him from behind.
Its the same girl, and this Leftwing “Heavy” website LIES about the sequence:
“As the girl walks toward Bell, he shoves her backward, sending her into a metal pole and nearly to the ground. The girl gets back up RUNS AT BELL BEFORE Bell punches with a closed fist, knocking the girl out and down to the ground. The other girls then run away screaming as the video ends.”
UPPER CAPS is what they left out.