'Senseless violence': boy attack fast-tracks law reform

A boy was allegedly stabbed by another teen at the Darwin Show, expediting a youth crime crackdown. (Jono Searle/AAP PHOTOS)

A shocking showground stabbing of a teenager has fast-tracked a crime-hit territory's youth justice crackdown.

But the Northern Territory's proposed law changes have come under fire, with an advocacy group claiming they will likely increase offending.