“On Saturday, I received a report from the command of the Navy that the submarine had sunk,” TASS quoted him as saying.
Widodo added that the Indonesian people deeply regret the tragedy.
He called the dead sailors "patriots who guarded the country's sovereignty."
On April 21, an Indonesian naval submarine with 53 crew members stopped communicating during an exercise about 96 km north of Bali.
The representative of the Armed Forces of Indonesia, Ahmad Riad, said that Russia, the United States, Germany, France, India, Turkey and Australia offered assistance in the operation to find the missing submarine of the country's naval forces.
On April 24, it became known that the wreckage of a submarine had been found.