Less than an hour later, airport said that flight operations had resumed and apologized for an inconvenience.
"The safety and security of passengers is always our key priority", said the airport in a tweet.
The Gatwick drone chaos resulted in major disruption for passengers with 1,000 flights being cancelled and 140,000 travellers being affected.
This week Sussex Police, Gatwick and the airport confirmed there had been a "sustained" attack on the airport with over 100 sightings reported, the majority of which were from police or airport workers.
"Very shortly afterwards, and having contacted other aircraft in the vicinity, the IAA suspended flight operations at Dublin Airport in line with agreed protocols for confirmed drone sightings".
Two drones were spotted flying near its airfield, triggering the biggest disruption to its operations since a volcanic ash cloud grounded flights in 2010. The attacker hid the drone behind buildings where it could not be taken down by anti-drone equipment.
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The National Civil Aviation Threat and Risk Group meeting involved the Garda, Defence Forces, officials from the departments of transport, justice and foreign affairs, the Irish Aviation Authority, and representatives from Ireland's airports and airlines.
No one has been arrested over the incident, which saw the airport shut for parts of three days.
The UK government also said it wants police to have new stop-and-search powers to tackle drone misuse.
Mr Ross previously said: "There are already strict rules in Ireland around the use of drones, including an exclusion zone of 5 kilometres around airports".