INDIANAPOLIS (WISH) — Indianapolis Metropolitan Police Department said Friday night that it’s launched an internal review after a recent video captured an officer speaking to a juvenile.

Police say the officer was involved in a traffic stop, and the video was circulated on social media.

Before the traffic stop, IMPD had received information that students may be at a planned protest with firearms. They say officers saw a male juvenile enter a vehicle with a gun before initiating the traffic stop.

Officers arrested the juvenile for dangerous possession.

IMPD on Friday night released a photograph of the gun as well as a statement that said in part, “While the video does not show the entire in...