A Bristow helicopter with registration No. 5NBJQ crashed in Lagos.
The helicopter was on its way from Port Harcourt before it crashed around Murtala Muhammed Airport, Lagos.
Eleven people were believed to have survived the crash as they floated on the water with help of their life jacket.
They have since been rescued.
However, the identities of the affected passengers is still unknown at the time of this reporting.