I had the coop gate open, and the chickens were in the run. They sounded the alarm and ran to the coop, and the hawk followed them inside. He flew right through the narrow gate and had hold of a chicken when I ran out there.
I thought I'd post this picture for your review.
It pretty clearly shows that hawks will even enter a coop to kill chickens.
I heard the racket and found this hawk inside the coop. He stopped the attack when I came to the gate. I let it get real uncomfortable for a few minutes, then went in...