In the letter chief executive Charles Nolda said : 'It is true there is a DTLR-led officer group looking at all aspects of the pension scheme.'
Although the system is under review there can be no changes to the pension scheme without legislation, according to the organisation.
Mr Smith has taken early retirement in the 'interests of the efficiency of the service'.
It is understood members felt the council was ready for a change of direction.
Gun crime in Brent has dropped by 23% in the wake of a controversial poster campaign by the council. Brent LBC's Not Another Drop campaign has won two awards from specialist public relations magazine PR Week.
A city academy specialising in enterprise is planned for Ealing LBC. It will replace the Compton High School and Sports College.
South Lanarkshire Council has signed a deal with the Scottish TUC which means union representatives will be involved in all decision-making. Chair of corporate resources and Convention of Scottish Local Authorities president Pat Watters (Lab) said the plan is a result of a six-year consultation with managers and unions.
Scottish Homes is to be replaced with a new agency called Communities Scotland. The agency's powers are to be strengthened and it will have an enhanced role.
Welsh Assembly health minister Jane Hutt (Lab) has announced free nursing care for the elderly in nursing homes in Wales. But Dai Lloyd (Plaid Cymru) said personal and nursing care should be free for all.
The Yorkshire & Humber Assembly says it has secured changes to government strategy for new homes and jobs in the region.
The Convention of Scottish Local Authorities finance spokesman John Pentland is demanding action from the Scottish Executive following COSLA's evidence to the Scottish Parliament's finance committee. He criticised ring-fencing and called for a simplified funding formula.