We’ll bring you all the latest breaking news as it happens.
There are two ways to parse the above sentence. Which is correct?
I don’t know if there is any way to know for sure the exact meaning, but to me, #2 seems more likely. This is another advantage of using the word “y’all”, found in the Southern US dialect I speak 
We’ll bring y’all all the latest breaking news as it happens!
In the absence of any indication otherwise (by means of punctuation), you can parse the sentence in the two ways you have shown.
And they both are acceptable, and you’re correct.
Compare the difference here: