The divers have now found the bodies inside the submarine . They say they may not be able to recover all the missing bodies . The INS Sindhurakshak sank after an explosion and fire this week . An investigation is under way into what caused the blast .
Navy divers have now found four bodies inside the submarine . Authorities say they may not be able to recover all 18 missing sailors . The INS Sindhurakshak sank after an explosion and fire this week . An investigation is under way into what caused the blast .