Police at Brussels airport have claimed at least 50 Islamic State supporters are working there as baggage handlers, cleaners and catering staff.
In an astonishing open letter, the officers said they have warned about the terrorist sympathisers whose security badges give them access to planes, but they remain employed.
The airport police, who are threatening to go on strike because of security deficiencies, also said they have raised the issue of terrorists scouting the airport to plan possible attacks.
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