An unidentified object has been spotted at the site of the ongoing search for a missing Indonesian submarine with 53 crew members on board as authorities warn oxygen on the vessel will run out within 24 hours. CNN's Blake Essig reports.
An unidentified object has been spotted at the site of the ongoing search for a missing Indonesian submarine with 53 crew members on board as authorities warn oxygen on the vessel will run out within 24 hours. CNN's Blake Essig reports.
