The reason is that we have very few armed police and not that many police and you often (comparatively) want police with arms at an airport, so suddenly the onl

The reason is that we have very few armed police and not that many police and you often (comparatively) want police with arms at an airport, so suddenly the only police at airports are the armed ones and they have the most lethal kit. The dispatch time for armed police has gone up because they are doing a regular police job, while armed, rather than waiting for the call up.