Indonesia: Missing submarine has enough oxygen for 72 hours — navy

Dozens of people are on board Indonesia's KRI Nanggala-402 submarine that has gone missing. Officials believe the vessel, designed to dive to up to 500 meters, might be some 700 meters underwater.

Indonesia’s missing submarine with 53 people on board has enough oxygen for 72 hours, the Navy said on Thursday. 

Authorities are searching for the KRI Nanggala-402 submarine which stopped responding early Wednesday. 

The vessel is believed to be 700 meters underwater, according to the Navy.  

"It is designed to dive to depths of 250-500 meters. Beyond that it's dangerous," Navy spokesman Admiral Julius Widjojono was quoted as saying by DPA news agency.