Dublin Airport said on Thursday that flights had resumed after a drone sighting caused a 15-minute suspension in flights at the airfield north of the Irish capital.

An Aer Lingus Airbus A330-300 plane takes off at Dublin airport during a break in the snow showers in Dublin, Ireland, February 28, 2018. (File photo: VCG)

"Flight operations have now resumed... following an earlier drone sighting," the airport said on Twitter. "We apologise for any inconvenience. The safety and security of passengers is always our key priority."