The shock departure of East Herts Council’s chief executive Richard Cassidy has prompted concerns about the stability of the authority. A statement was issued to the press at 5.06pm on Friday (September 13) and theIndie understands that rank-and-file councillors and staff got an “urgent” message minutes before from deputy chief executive Helen Standen. Mr Cassidy joined East Herts in June 2019 with a £120,000 remuneration package. He succeeded Liz Watts, now chief executive of South Cambridgeshire District Council. Her resignation was announced in December 2018, citing her wish to achieve a be…