According to the Gatwick airport Twitter account, an IT glitch at their airport immigration desks which caused widespread chaos for passengers, has now been "resolved".
Yesterday’s difficulties with @ukhomeoffice IT systems have now been resolved. Please let us know if we can help you on your journey today
Following difficulties with @ukhomeoffice IT systems across the UK there have been longer than usual queues at immigration.
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Known as 'spice' and 'black mamba', the so-called legal high is suspected of contributing to deaths in male and female institutions.