Scandinavian Airlines files for bankruptcy protection in US

SAS planes are grounded at Oslo Gardermoen airport (NTB Scanpix via AP)

Scandinavian Airlines (SAS) has filed for bankruptcy in the United States, warning that a walkout by 1,000 pilots a day earlier had put the future of the carrier at risk.

The move adds to the likelihood of travel chaos across Europe as the summer vacation period begins.