“…Participants were then asked provide contact details if they were willing to participate in further semi-structured follow-up interviews, which were conducted by telephone. The overall aim of the study was to explore the perceptions and experiences of first responders and clinical staff regarding both the individual and system response to a major incident, and specifically to identify factors helped to pre limit and enhanced their abilities to respond effectively to such an incident (Skryabina et al, 2020 ; Skryabina, Betts, Reedy, Riley, & Amlôt, 2020 ). The subset of data analysed here was generated from the interviews of first responders and clinical staff about their experiences and perceptions in responding to the Manchester Arena bombing (22 May 2017) (Craigie et al, 2018 ) and included a significant focus on the psychological impact of this mass casualty terrorist incident on responders.…”