Police lowered their profile to allow a more peaceful night of protests in this St Louis suburb 10 days after the racially- charged police shooting of an unarmed African American teenager by a police officer of Caucasian descant.
Ferguson has been the epicenter of renewed debate about race and strong-armed law enforcement in America since the August 9 fatal shooting in broad daylight of 18-year-old Michael Brown by a white police officer.
US Attorney General Eric Holder is to visit Ferguson on Wednesday amid an ongoing federal investigation into possible civil rights violations.
A grand jury is meanwhile to begin hearing witnesses to Brown´s killing today, amid calls for the police officer, Darren Wilson, to be put on trial for murder.
The teenager, who was due to start vocational school soon, was shot half a dozen times including twice in the head on suspicion of stealing a box of cigars from a store.