United Kingdom, Strike, Level 3: Possible strikes at Aberdeen (ABZ) and Glasgow (GLA) airports – Scotland, United Kingdom [Update 2] July 2, 2024 [email protected]Travel Alert Update 2024-07-02: As the trade union Unite announced on Tuesday (2 July), the employees of ICTS have voted in favor of a strike. This means that work stoppages are possible from mid-July.