In 2019, ex-prisoner Gareth Evans protected others from London Bridge attacker Usman Khan.
London Bridge attack
Justice Secretary Robert Buckland says the government will end automatic early prisoner releases.
Simultaneous services were held for Jack Merritt and Saskia Jones, who were stabbed last month.
Exclusive interview with John Crilly, an ex-offender who was seen chasing the London Bridge attacker with a fire extinguisher.