Bosses of Heathrow Airport, British Airways and Jet2 expressed dismay at the 'completely avoidable' queues They called on Home Secretary to boost border guard numbers as there are often 'hardly any desks manned' The wider use of electronic passport gates would 'ensure hassle-free holidays once foreign travel resumes' It comes after a senior Heathrow official told MPs how more than half of arrivals are waiting two or three hours One woman collapsed at a Heathrow passport control desk after waiting up to seven hours for her paperwork