Kids come first. If you believe what you have seen is child abuse then you should report it to the appropriate authority. Where I am from the authorities will not do anything from just one report unless a child is in immediate danger of physical harm(broken bones, starvation etc).
Here are some links to help you in your decision.
A dog being left outside is not abusing the dog.
Here are some links to help you in your decision.
A dog being left outside is not abusing the dog.
