Lufthansa Flight 615
When the Lufthansa airplane was seized by sympathisers of the Black September Organization during the Beirut-Ankara part of a multi-stopover flight from Damascus to Frankfurt , the West German authorities complied with the demand of having the prisoners released . 
<triplet> Beirut <subj> Damascus <obj> twinned administrative body <triplet> Damascus <subj> Beirut <obj> twinned administrative body