There are pictures of her standing in what looks like a parking lot when she is hit by the tear gas projectile.. No wall anywhere near her. I guess it's just the usual lies by Israel. I guess the Border Police just assumed she wasn't Jewish. If you support the Palestinians you are assumed to be an enemy combatant I guess. Shame on you Israel. This has happened many times. These tear gas guns are used as weapons against demonstrators.
Settlers from Esh Kodesh clash with Palestinians in the West Bank; IDF cordoned the area (Haaretz)
from the article: U.S. demands IDF probe how American lost eye at West Bank protest