Ryanair has axed 170 flights after air traffic controllers walked off the job during strikes that could start summer holiday travel chaos. More than 30,000 passengers are set to have travel disruptions after the airline said it was forced to cancel 170 flights. This major travel chaos has come after a nationwide air traffic controller strike in France that started today. In a statement, the airline said: "In addition to flights to/from France being cancelled, this strike will also affect all