Quite honestly yes, I used to work in the emergency room and dog bites were seen in all areas of the body...even the very top of the head which you really wouldn't think of an area that could even GET bit. So yes, it's quite possible.
As for "slapping my daughter around"........

Here's your *perfect parent* badge. Wear it proudly, K?
I'd offer to hold or temporarily care for
any age child so the parent could get a grip. I'm glad the FA held the baby for a bit but I'm peeved that it's reported as "Taking custody". Why is it ok for the news to have reported it this way?
I'm ok with the family questioned after landing and I'm ok with follow up on the family after they get home.
No, it doesn't bother me that baby fell asleep in dad's arms. Most families I know have one parent better, sometimes MUCH better at calming the children and getting them to sleep. I don't think it's all that weird, awful or even unusual.
And this is exactly where the "it takes a village" should come into play. An offer to give temporary respite to a tired frustrated parent should be common sense.
This. Absolutely 100% this. She did
not take custody of the baby, that is my issue. Moot I know, and I'm a bad parent so I should shut up now. LOL
I think he issue for others here is the legality of lay people taking custody of other peoples children for any reason.