The Decontamination Squad at work during the ARP exercises held at Rochford, Essex. Such decontamination squads would follow an attack where "gas" bombs had been used.
When protesters in Bristol pulled down a prominent statue of slave trader Edward Colston as part of the Black Lives Matter protests against the killing of George Floyd, it prompted a nationwide debate. How should we memorialise controversial aspects of our past? Watch a live debate on this topic, part of the IWM Institute's Hindsight in 2020 series.