A National Industrial Action taking place in Belgium starting at 2000 UTC on 28th April until 2200 UTC 29th April.
Airlines are forced to cancel flights from Brussels Zaventem Airport due to lack of pax screening capacity.
At this stage, 100% reduction for arriving and departing flights is required. Airlines are requested to cancel their arriving and departing flights.

Still, Airlines are allowed to ferry planes from Brussels for operational reasons.