Indonesian navy submarine goes missing with 53 people onboard

Search operation under way after vessel disappears about 60 miles north of Bali

Indonesia's navy is searching for a submarine that went missing north of the resort island of Bali with 53 people onboard.

The country's military chief, Hadi Tjahjanto, said on Wednesday that the KRI Nanggala 402 was participating in a training exercise when it missed a scheduled reporting call. The vessel is believed to have disappeared in waters about 60 miles (95km) north of Bali, he said.