![Queues at UK Border control at Heathrow Airport in May, due to a glitch with the electronic gate system. Getty Images](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/F5FQZC7M2BHTLMKFDYDMWMJLMM.jpg?smart=true&auth=45dc64fd2868fd576fc456fbf8aa4540eb7b2694725962e46ae1c3dd3204ab4a&width=400&height=225)
Queues at UK Border control at Heathrow Airport in May, due to a glitch with the electronic gate system. Getty Images
Queues at UK Border control at Heathrow Airport in May, due to a glitch with the electronic gate system. Getty Images
Heathrow Airport: Weekend of disruption feared as Border Force officers strike
Three-day walkout could result in delays to passenger journeys at London airport