What happens when Eck's horse comes into contact with the Littlejohn house?

As Eck's horse breaks away from the makeshift corral, it tramples over Henry, breaking his leg, and runs straight into the Littlejohn house. Inside, Mrs. Littlejohn is doing laundry. When she sees the beast, she cracks it over the head with her washing board, sending it back out into the street. As it runs from the Littlejohn house, the horse leaps over Wallstreet leaving him miraculously uninjured.