Stranded passengers wait in front of the Departure board at Arlanda Airport, Stockholm, Sweden, April 27, 2019. A total of 1,409 Scandinavian Airlines (SAS) pilots from Sweden, Norway and Denmark went on strike on Friday morning, causing 673 departures being canceled so far and over 70,000 passengers affected, Swedish News SVT reported. SAS warns that the continuing strike could affect a further 100,000 passengers over the weekend. (Xinhua/Wei Xuechao)