Belgian airspace was to be closed to all flights below 8,000 metres on Wednesday as a national strike threatened to bring the European country to a standstill.
Forced to prohibit national air traffic
With controllers following the strike movement, Belgium's Skeyes air traffic control agency said it was "forced to prohibit" national air traffic between Tuesday, February 12 at 22:00 (2100 GMT) until the same time the following day, a statement said on Tuesday.
