Elder Nelson was reportedly kicked in the face, he is 84 years old!
The day after the attack, the Nelsons reportedly attended a stake conference meeting in the area as they had planned
Bad things happening to good people. It is the way of the world unfortunately.
That is why we are exhorted to
... be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.