Queensland man who killed wife has sentence cut to 16 years after jury accepts provocation defence

Arona Peniamina, 41, was initially convicted of murder and ordered to serve the rest of his life behind bars for killing his wife Sandra in 2016

A Queensland killer's life sentence for repeatedly stabbing his wife and crushing her skull with a concrete bollard has been slashed to 16 years in prison after a retrial.

Arona Peniamina, 41, was initially convicted of murder and ordered to serve the rest of his life behind bars after killing his wife Sandra at the family home at Kippa-Ring, north of Brisbane, in March 2016