Dublin Airport authorities were told a man was due to arrive carrying explosives planted by Slovakian police, officials in Slovakia have claimed.

Stefan Gonda, 49, unwittingly brought plastic explosives placed on him to test security at Poprad-Tatry Airport.

Irish police arrested him on Tuesday, three days after his flight. He was later released without charge.

Dublin Airport has rejected claims it was told. It is believed a telex was sent to a baggage handling firm.

Slovak chief of border police Tibor Mako claimed a test sample of explosives had been attached to the straps of the man's backpack.

He said it was detected by a sniffer dog but a policeman forgot to remove the sample then failed to tell his supervisor that the explosives were on board the plane.

Ivana Herkelova, director of Poprad-Tatry airport in north-east Slovakia, said the plane was on the runway when the error emerged but the pilot decided it was safe to fly.

"I think that the Foreign Police units made a mistake here and the aircraft should have been prohibited from taking off," she told Slovak newspaper SME.

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