A passenger plane that lost contact with flight controllers appears to have plunged into the ocean after it took a steep mid-air dive.
The Sriwijaya Air passenger flight took off from Jakarta airport in Indonesia at 7.40am and "lost contact" with air controllers four minutes after.
FlightRadar24 shows flight SJ182 took a nose dive shortly after pictures emerged of an object sinking into the sea online.
The Boeing 737 is understood to have plunged over 10,000ft in less than a minute, it has been reported.
According to Republica, an Indonesian news outlet, the missing plane reportedly had 62 passengers on board, including one baby.
Passenger records also have details of 5 children on board and at least 53 adults, it is unclear if this number includes air staff.
In a tweet, FlightRadar 24 said: "Sriwijaya Air flight SJ182 lost more than 10.000 feet of altitude in less than one minute, about 4 minutes after departure from Jakarta."
Sriwijaya Air said in a statement it is still gathering more detailed information regarding the flight before it can make any further comment.
Indonesian Transport Ministry spokesman, Adita Irawati, confirmed that there had been a loss of contact with the Sriwijaya Air aircraft, CBS Indonesia reports.
He said: "We are currently under investigation and coordinated with Basarnas and the National Transportation Accident Committee (KNKT)."
Devastating pictures from the scene show civilians finding small parts of what appears to be flight Sriwijaya Air flight SJ182 floating in the ocean.
The scattered debris includes parts of a life jacket, torn fragments of an aircraft, including strewn wires.
An outpour of messages from worried people have flooded social media, with one person tweeting: "Photos and video of the first responders on the scene for SriwijayaAir It's not good. Small aircraft pieces. I am shaking."
Another said: "Praying for all passengers and crew of SriwijayaAir flight."
While a third added: "Sending prayers to everyone, crew, passengers, families, friends from flight SJ182.
"We know the year's gonna be tough, but we're not prepared to be shocked this early and this hard," added a third.
The shocking crash comes 6 years after the 2014 Malaysia Airlines crash which vanished in 2014.
It disappeared after taking off from Kuala Lumpur and has never been recovered.
All 239 people on board the jet have been presumed dead, leaving their devastated families and friends heartbroken.