Following the London Bridge Terror Attacks in June 2017, Southwark Council worked closely with local, London and national partners to ensure that the learning from the incident response informed the development of national guidance and policies. Innovative aspects of the work included a strengthened role of the Director of Public Health in responding to incidents, establishing a mental health and resilience response programme, developing mutual aid for public health guidance, and revisiting the framework and approaches for needs assessments and data sharing.

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In May 2017, Manchester suffered a terror attack at the Manchester Arena. Manchester City Council worked with partners across the city, with all of the Manchester Combined Authority and with organisations both nationally and internationally to deliver a sustained response to the attack lasting nine days. This response consisted of opening a family assistance centre by 2am on the night of the attack, establishing a We Love Manchester Emergency Fund, enabling a vigil to take place less than 24 hours after the initial incident, and meeting with community groups to understand the key issues they were experiencing following the events of 22 May 2017.