Protesters took to the streets of St Louis again yesterday for a sixth day of demonstrations against a judge's acquittal of a white former police officer who fatally shot a black suspect.

Protesters chanting "free our people" gathered outside a jail in St Louis after more than 100 people were arrested during protests on Sunday.

Protests turned violent for second night near St Louis following the acquittal of a white former police officer in the fatal shooting of a black man.

A white former police officer has been acquitted in the 2011 death of a black man who was fatally shot following a high-speed chase, sparking demonstrations in the streets St Louis.