The European Court of Justice has ruled that Ryanair should have compensated passengers whose flights were cancelled because of volcanic ash in 2010.
Twitter users have been reacting to the ruling today:
Michael O'Leary quick enough to take your money... then threatens to hike up fares when he doesn't get his own way..
Today's ruling the EU court on the duty of care owed to passengers by airlines is significant. Our guide to how it could affect you.
The airlines like Ryanair argued it was an "act of God" but today an "act of court" dramatically clarified passengers rights.
Ryanair should have compensated passengers whose flights were cancelled because of volcanic ash in 2010, the EU's top court has found.