Missing submarine found, all 53 crew killed, says Indonesia
Indonesia's navy chief says any salvage operation would be risky and difficult.
Indonesia military says missing submarine sank
The navy says a search party has recovered fragments from the KRI Nanggala 402 including items from inside the vessel, whose oxygen reserves are already believed to have run out.
Surface oil spotted in search for missing Indonesian submarine
The German-made submarine disappeared in waters about 100km off the coast of Bali.