Petugas setempat mengatakan pada Senin bahwa penculik meminta tebusan, motif sejumlah penculikan di daerah tanpa hukum itu, tempat penduduk miskin tinggal di sepanjang kawasan industri minyak terbesar Afrika tersebut.
A local official said on Monday that the kidnappers had asked for ransom, a motive behind many abductions in the lawless delta, where poor residents live alongside Africa's biggest oil industry.