Bangladeshi troops are deployed in the capital Dhaka as a mutiny takes place in the headquarters of the border guards.
There are some reports that officers have been taken hostage.
A number of wounded people were seen being carried from the scene.
Initial reports were of civilian wounded. There are few details on military casualties so far.
Smoke rises from the barracks in the Pilkhana area. Correspondents say there is no indication that this is a coup attempt.
Local media have speculated that the revolt is over pay and working conditions.
Streets have been cleared and shops have been closed near the site.
A policeman holds up a spent bullet following the shooting near the Bangladesh Rifles headquarters.