DUBLIN, July 19 (Reuters) - Ryanair warned customers of potential disruption on Friday due to a third-party IT issue, which it said was affecting "all airlines operating across the network".
A notice posted on the Irish airline's website did not specify the nature of the potential disruption, but advised passengers to arrive at the airport three hours in advance of their flights. (Writing by Conor Humphries; editing by Jason Neely)


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