Hostages Canadian national Robert Hall (R) and Norwegian national Kjartan Sekkingstad (L) are seen in this undated picture released to local media, in Jolo island in southern Philippines. Handout/ via REUTERS/Files

Hostages Canadian national Robert Hall (R) and Norwegian national Kjartan Sekkingstad (L) are seen in this undated picture released to local media, in Jolo island in southern Philippines. Handout/ via REUTERS/Files

Hostages Canadian national Robert Hall (R) and Norwegian national Kjartan Sekkingstad (L) are seen in this undated picture released to local media, in Jolo island in southern Philippines. Handout/ via REUTERS/Files

September 17, 2016 1:45 PM (UTC+8)