A march was held in Brooklyn Tuesday night to demand that the off-duty police sergeant who was caught on surveillance video shooting an unarmed man last week be fired and arrested.

Sergeant Ritchard Blake is on modified duty while the NYPD investigates the shooting, but protesters say that's not enough.

They marched Tuesday through the streets of East New York to the place where 21-year-old Thavone Santana was shot.

His mother was among those taking part.

"Our family is very devastated, myself, and we want justice," she said.

"We’re here to say that this police should be arrested and should be taken off the force, and he should be held accountable for his actions for what he done," said a protester.

The surveillance video shows Blake and Santana getting into an argument before police say Blake takes out a gun and shoots him in the mouth.

Santana was taken to the hospital and is recovering from his injuries.

Police say Blake claimed Santana was trying to rob him, but sources say the two knew each other and may have been fighting over a woman.

The video also appears to show Blake placing a blade near Santana that investigators say may have been an attempt to plant evidence.