A plane has crash-landed near South Sudan's airport shortly after taking off, the Reuters news agency reported.
The aircraft had seven passengers and five Russian crewmembers on board, but only two people survived, according to local media.
The eyewitness saw aircraft lying across the White Nile River. The crash occurred around 800 meters from Juba airport.
A woman and seven children are among the victims, the National Courier reported.
The plane was headed to Paloich in the Upper Nile region, a source told the local National Courier media outlet.
A conflicting report suggests that 40 people died in the crash.