From the BBC:
I think they meant to say:
Child-attack dog 'pit bull breed'
Or:
Child-attack dog a prohibited pit bull
Maybe even:
Dog that attacked child confirmed as pit bull
As it stands, I found myself wondering if they meant to say:
Child attacks dog the pit bull breed
Or:
Children attack breeding pit bull dogs
Or:
Dog children attack 'pit bull breed'
Or, or, or ...