“…The concept has been applied to a wide range of issues since its conception in the mid‐1990s by Wæver (1995) and its elaboration most notably by Buzan, Waever, and de Wilde () in the late 1990s. Its evolution reflects a broadening of the issues considered in the security domain (Roe, 2004, in McDonald, ; Kamradt‐Scott and McInnes, ; Hartman, ). At the heart of the securitisation thesis is the idea that an issue can transcend conventional politics and be labelled as an ‘existential threat’ to state and society, and framed in ways that, if accepted, can be used to legitimise ‘emergency action’ (Buzan, Waever, and de Wilde, ).…”