“…Crisis incidents in secure settings includes riots, roof-top protests, barricades and hostage taking, thought usually triggered by a non-rational, over-emotional state (Vecchi, Van Hasselt & Romano, 2005). During such a state, individuals feel unable to resolve their crisis, resulting in them using extreme problem-solving methods (Ireland, Halpin & Ireland, 2015;Hatcher, Mohandie, Turner & Gelles, 1998;McMains, 1993). However, our understanding as to why these incidents occur remains limited, particularly regarding the functions they serve (Cooke, Baldwin & Howison, 1990;Ireland et al, 2015), including the role of the environment (Boin & Rattray, 2004).…”