1.   Later, controllers went to the old communications system used before VSCS, Jensen said.

2.   Air traffic controllers went on strike Tuesday, forcing cancellations or delays in hundreds of flights in a country which is a regional hub for flights.

3.   Air traffic controllers went on strike Tuesday, forcing the cancellation or delays in hundreds of flights in a country which is a regional hub for flights.

4.   Air traffic controllers went on strike Tuesday, paralyzing operations in a country which is a regional hub for flights.

5.   Air traffic controllers went on strike Wednesday in Guatemala, bringing the airport to a standstill, officials said.

6.   Air traffic controllers went on a wildcat strike Friday protesting the suspension of a colleague.

7.   Flight controllers were going to examine the photos to see if there are any problems with the lines.

8.   Flights in and out of Chelyabinsk, a regional center in the southern Ural Mountains, were canceled Saturday after air traffic controllers went on strike.

9.   Then air traffic controllers went on strike and closed the skies.

10.   Thousands of flyers were stranded across India on Friday as air traffic controllers went on a wildcat strike to protest the suspension of a colleague.