About two hours after this attack, Hardegen shelled the Swedish motor ship Korsholm (5,353 GRT) under British charter, and sank her within twenty minutes.
Sekitar dua jam kemudian, Hardegen menembak kapal barang (yang dikira kapal tanker) asal Swedia, Korsholm (5,353 GRTGRT) yang berbendera Inggris, dan tenggelam setelah 20 menit.