A passenger collapsed at Heathrow Airport border control after waiting in line for a reported seven hours due to delays. Video of the incident shows the traveller lying on the floor while a border force guard kneels at their side. The camera pans out to show numerous people queuing at arrivals, many of whom are sitting down, as if they have been waiting for some time. Freelance journalist Kashif Iqbal shared the video on Twitter on 12 April,...