The Alder Hey organ retention scandal looks set to spark one of the biggest compensation claims in the history of the NHS. Parents of children whose organs were retained are seeking compensation payments from Alder Hey and Liverpool University which could cost the health service £15m. Around 500 parents have joined the litigation so far. Ian Cohen, solicitor for the families'support group, Pity II, said: 'During the course of the last 18 months, we have seen marriages break down, clinical depression in children, people turning to alcohol and even people attempting suicide. '