Striking Spain air traffic controllers return to work

Most of Spain's air traffic controllers have returned to work and airspace has reopened, after a walkout grounded flights and stranded thousands.

The government had imposed emergency measures not seen since military rule ended in 1975, threatening to prosecute workers who refused to end the strike.

Officials said 250,000 people had been affected by the walkout, amid a long-running dispute about working hours.

Ministers warned that disruption could continue for up to 48 hours....