Airline passengers still stranded in Spain

The Spanish government threatened air traffic controllers with arrest to end a strike causing major disruptions during a bank holiday. The strike, a protest over pay and conditions, left many passengers stranded. Despite high salaries, the controllers' actions received little sympathy due to Spain's high unemployment rate. Passengers faced chaos and uncertainty about flights. The government is implementing austerity measures to boost competitiveness, but strikes indicate potential challenges ahead.

What is the current unemployment rate in Spain as mentioned in the text?

What are the austerity measures being introduced by the Spanish Government aimed at?