Lump-sum public sector pension payments 'unsustainable'

Public sector pension lump-sum payments save taxpayer cash in the long-term: 

That's the chief executive of the Public Sector Pensions Authority - which is responsible for doling out two payments of over half a million pounds in the last two financial years. 

171 payments of between £100,000 - £250,000 have also been handed over - as a result, it's suggested Treasury's attempts to stabilise the fund aren't sustainable. 

Ian Murray says in the majority of cases a 'lump sum payment' amounts to around £80,000: