Skies, the Belgian air traffic control authority, said in a statement he was "forced to stop air traffic" from Tuesday at 10 am local time (4 pm ET) to Wednesday at 10 am local time. Dominique Dehane, a spokesman for Skeyes, told CNN on Wednesday that commercial airplanes below 8,000 meters would not be allowed in Belgian airspace. Military, humanitarian and emergency flights will be permitted, he said.
The strike is called by three major alliances that call for higher salaries. Air Traffic Controllers Skeyes manage over 3,000 airplanes a day, representing over 1 million flight fields per year.
At Twitter Brussels airport asked people not to travel to the airport.