The crew on the KRI Nanggala 402 could have enough oxygen until early Saturday, but time was quickly running out as rescuers scoured the coast off holiday island Bali where it disappeared.
Military chief Hadi Tjahjanto said the presence of an oil slick as well as debris near the site where the submarine's last dive on Wednesday off the island of Bali were clear proof the KRI Nanggala 402 sank. Indonesia earlier considered the vessel to be only missing.
Neither local authorities nor the UN could account for the whereabouts of the refugees from the stateless Muslim minority from Myanmar, who are feared to have enlisted traffickers to help them cross the Malacca strait into Malaysia.
Torrential rains from Tropical Cyclone Seroja turned small communities into wastelands of mud, uprooted trees and sent around 10,000 people fleeing to shelters across the neighbouring Southeast Asian nations.
The United States Coastguard and a fleet of volunteers were deployed to search for the 18 crew on board after the vessel capsized in a storm near Port Fourchon, about 160 kilometres (100 miles) south of New Orleans.
Santosh, a grade 10 student, went missing after he went for his tuitions on Friday morning.
A 15-year-old girl died and a truck driver was missing after a suspension bridge over a river in southwest France collapsed on Monday, reigniting a debate over infrastructure safety in the wake of last year’s disaster in Genoa.
Five people died after a three-story building in the southern Polish ski resort of Szczyrk collapsed on Wednesday following a gas explosion, local authorities said on Thursday.
One fisherman was killed and 11 others reported missing after their boat caught fire off South Korea's southern coast, authorities said on Tuesday.