US police fired tear gas to disperse protesters and made several arrests in another night of unrest in the town of Ferguson in the state of Missouri.
Unrest flared hours after President Obama called for calm following the fatal police shooting of unarmed black teenager Michael Brown on 9 August.
The US attorney general is due to visit Ferguson on Wednesday to meet federal officials investigating the killing ,informs GHN based on BBC
The National Guard has been deployed to support police operations.
Missouri Governor Jay Nixon announced the deployment on Monday, in addition to lifting a night-time curfew imposed on the weekend.
The killing of Mr Brown by a white policeman in a street has inflamed racial tensions in the largely black community of Ferguson.
Officer Darren Wilson shot the teenager last week after reportedly stopping him for walking in the street.