It is perhaps poignant that Sir David's biggest campaigning success came after his murder – city status for his beloved town in Essex.

On the Sky News Daily podcast with Dermot Murnaghan, our correspondents Ashna Hurynag and Rob Powell join us to reflect on his life and legacy, and examine the debates around the safety of MPs, as well as tackling toxicity in politics and online hate.

Daily podcast team:
Senior podcast producer - Annie Joyce
Interviews producer - Tatiana Alderson
Archive - Simon Windsor
Archive - Rob Fellowes
Archive - Nelly Stefanova
Music - Steven Wheeler