Wilson's supporters say the officer feared for his life and fired at Brown in self-defense.

Wilson's defenders say the officer was acting in self defense during an altercation with Brown.

Atlanta police say the officer had seen Amber Jackson trying to remove a barricade on the road.

Police support groups, however, say the officers were only maintaining public order.

She said the officers in this situation were just doing their job.

Police have since said the officers knocked and announced themselves before entering.

Mr O'Connor said the officers should be praised for displaying considerable bravery.

Mr Ellis told Checkpoint that Smith says the officer suggested he flee.

Take his name and number, sergeant, said the officer, and charge him.

He said the officer fired multiple times into Brown's head and chest.

They're going out to-night, said the officer who was guiding me about.

Talk of eloquence,' said the officer, interrupting himself to turn to Paul.

He said the officers are white and the suspect, 42, is black.

But Grand Rapids Police Department officials say the officers were simply following procedure.

He says the officer in question let him up when on-duty officials arrived.

The Minneapolis Police Officers Federation said the officers were co-operating with the investigation.