Unknown object caught in La Morne, Mauritius

On December 22, 2018, at 01:00PM, an unknown object was shot in the sky over Le Morne, in Rivière Noire District, Mauritius.

Witness statement:

I was on a boat in the middle of the ocean in mauritius on december 22nd, 2018. i took this picture and after the picture was taken was when i realized that there was an object in the sky. I'm not sure what it is but wanted to submit to see if you may have some answers as to what it could be.

http://ufostalker.com/sighting/103156, 07th September 2019