Indonesia continues search for missing submarine carrying 53 people

Officials believe vessel may have sunk to depth of 600-700 metres, more than twice depth it was designed for

Hope is fading for the 53 crew members on a missing Indonesian submarine, as the search for the vessel continues off the coast of Bali.

The Indonesian navy has revealed that an oil spill at sea was spotted near the early diving position of the KRI Nanggala-402 before it went missing.