CCTV shows Khan before he carried out the attack

Jack Merritt and Saskia Jones were killed at Fishmongers' Hall, during a terror attack by Usman Khan in November 2019.

Footage shown at the inquest into their deaths, showed Khan at the event before he carried out the attack.

John Crilly, who confronted Usman Khan with a fire extinguisher, spoke to the BBC about the events of the day.