Indonesian rescuers say they have found what appear to be body parts and debris from a missing passenger plane in waters they are searching.
The Sriwijaya Air Boeing 737-500 disappeared from radar shortly after taking off from an airport outside Jakarta on Saturday. It was bound for the city of Pontianak in West Kalimantan Province with 62 people on board.
Indonesian President Joko Widodo said on Sunday that he had been informed by the transportation ministry that the plane had crashed.
He expressed his deep condolences, and said he had ordered an immediate search and rescue operation.
The National Search and Rescue Agency and the navy have been searching waters about 17 kilometers north of the airport. Officials say they found what may be human body parts and wreckage from the aircraft.
On Sunday morning, what appeared to be a slide for an emergency exit was brought into the agency's task force that was set up at a port in northern Jakarta.
Authorities are continuing to search for survivors from the crew and passengers, who are all Indonesian.
In 2018, a Boeing 737 Max 8 jet crashed off Indonesia, killing 189 people on board.
Boeing issued a statement on Saturday, saying it is in contact with the airline and stands ready to support it.