translate English to German: There were just a few cases, but they concern people who were stopped thanks to PNR data and were later involved in bomb attacks elsewhere in the world.
Das waren zwar nur wenige Fälle, die jedoch Personen betreffen, die dank der PNR-Daten gestoppt wurden und die später anderswo in der Welt in Sprengstoffattentate verwickelt waren.