If a dog attacks another dog (a strong breed) but ends up beaten, do you feel sorry for it?

This is exactly what just happened to my friend last week. She was minding her own business, walking her dog on a leash, well controlled.

Out of nowhere some other dog of similar size comes to attack her dog. Fortunately her dog is actually a powerful breed. During the fight, my friend fell down and has brusies. My friend's dog wouldn't let go of the other dog until others separated them.

Everyone else saw the other dog started it all (the instigator) meanwhile my friend's dog fought back and the other dog paid the price of messing with a strong breed, for dishing out a fight you can't win. Now the other dog owner wants to blame my friend and wants her dog euthanized. Honestly would you feel sorry for it?

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Both dogs were of similar sizes but unfortunately for the other dog, it picked a fight it couldn't win.
If a dog attacks another dog (a strong breed) but ends up beaten, do you feel sorry for it?
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