An improvised strike where air traffic controllers abandon his duty and not return to work from a massive sickout that left hundreds of thousands of travelers stranded.
The government called on controllers to resume work "immediately" or "defense will assume control of airspace," it said in a statement.
he sickout on Friday, on the eve of a long national holiday weekend, caused travel chaos throughout the nation, forcing Spanish authorities to close eight airports, including the major European hub in Madrid and airspace above it.
http://news.yahoo.com/s/ap/20101203/...rport_closures
