Apparently she got out of this mess okay, but man oh man, this would stop my heart to see a horse in this situation:

http://www.telegrap h.co.uk/news/ newstopics/ howaboutthat/ 3229053/Horse- gets-head- stuck-in- tree.html

She probably stuck her head in looking for something to eat and after she pushed it downward, couldn't get it back out. 

Horses can find amazing trouble.  My warmblood filly, when she was just shy of her first birthday, only a week after moving to a new barn, managed to get herself stuck in a tractor tire in the wee hours of the morning.  They use old tractor tires, with the steel removed, as hay feeders.  At some point in the night, she got inside one.  We don't know if she tripped and fell in or just happened to decide it was a nice place to lay down.  She was up inside the tire like she was an inner tube with her front feet stuck over her head.  Fortunately, the Manager lives on the property and their pasture was directly in front of the house and his wife heard the other mares running up and down the pasture and sent him out to find out what was going on.  I got a call at about 4:30 AM that she was stuck in the tire and seemed OK and they were getting ready to cut her out with a reciprocating saw.  She came out with a few scrapes and was sore for a day or two.  I never would have even guessed she would even FIT in the tire.  She was probably about 14hh at the time.

Amazing that a UK paper reported the incident in West Virgina.

If there is a way for a horse to get hurt, they will find it.

It remains unclear why Gracie put her head into the gap.

Because she could!!  I can just imagine one of my horses doing that and how upset I'd be after I quit laughing.

I have seen a picture of a horse that was dead inside one of those tractor tire feeders,and,I've heard of it happening more than once,also.

that is soo sad i am glad she is oka

i would die in my heart if my horse got in there he is 14.3 hands.