Brett Button appeals 32-year sentence over Hunter Valley bus crash

Brett Button wearing a suit and tie and glasses walks in to court.

Brett Button is appealing a 32-year jail sentence over a Hunter Valley crash. (ABC Newcastle: Bridget Murphy)

In short:

Brett Andrew Button is appealing his 32 year sentence over the 2023 Hunter Valley wedding bus crash, in which 10 people died.

His lawyers presented three grounds of appeal, including a belief that the sentence length is "manifestly excessive".

What's next?

The court has reserved its judgement to be handed down at a later date.