The latest violence in the region was sparked by the lynching of a Bengali-speaking man who, according to local residents and Bengali media, was caught stealing a motorcycle.
In retaliation, shops and establishments owned by the tribal community were attacked and set on fire.
The Bangladeshi army said on September 20 that troops opened fire after being shot at by members of a tribal group. Authorities and witnesses said at least four people had been killed.
The video shared online was also posted alongside similar claims elsewhere on Facebook, here and here.
But the fragment predates the recent ethnic violence in southeastern Bangladesh.
Police patrol in Assam
A reverse image search on Google using keyframes from the falsely shared video led to higher quality images posted to Facebook on July 17 by a user living in Karbi Anglong, a district in the northeastern Indian state of Assam (archived link).
Below is a screenshot comparison between the mistakenly shared video (left) and the video posted on July 17 (right):
The user who shared the video, Sambor Rongpi, told AFP he is a police officer in the city of Diphu.
The video circulating online was taken during a training for newly recruited officers and was filmed in Karbi Anglong district on July 14, he said on November 6.
Another clip on his page shows him wearing an Assam Police uniform (archive links here and here).
Below is a screenshot comparison of the clip (left) and an officer’s photo posted on the official Assam Police Facebook page (right) with the corresponding badges highlighted:
The user – who has been posting from Assam since at least 2016 – had also shared clips of similar patrols here and here (archived links here and here).
AFP has previously debunked other false claims about unrest in the Chittagong Hill Tract region here.
