Britain's major airports are to step up security with military-grade detection systems that would help them counter Gatwick-style drone incidents by launching their own "killer drones" or shooting them down with firearms.
The move emerged as Sajid Javid, the Home Secretary, Chris Grayling, the Transport Secretary, and Gavin Williamson, the Defence Secretary, prepared to meet earlier this week to review progress on the police investigation and measures to protect the public from future attacks.
All airports in Britain are increasing or reviewing their defences because of fears of copycat attacks, according to Whitehall sources, following the chaos at Gatwick that ruined the travel plans of 140,000 people.
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Gatwick is expected to be the first to operate detection technology designed to be as sophisticated as that being used by the crack RAF and Army signals teams deployed to the airport last week.