A US judge struck down the Purdue Pharma bankruptcy plan because it provided some immunity for the owners in exchange for a $4. 5 billion payout to victims of the opioid crisis. Getty Images via AFP
A US judge struck down the Purdue Pharma bankruptcy plan because it provided some immunity for the owners in exchange for a $4. 5 billion payout to victims of the opioid crisis. Getty Images via AFP

US judge overturns OxyContin maker Purdue Pharma's $4.5bn settlement