The tense southern city was under a state of emergency amid growing complaints that the authorities were slow to respond to crowds protesting the death of Keith Lamont Scott, a 43-year-old African-American, on Tuesday. Photograph: (Getty)
Several hundred National Guard troops and highway police officers have been deployed to protect city infrastructure and businesses
Curfew was imposed in US banking hub, Charlotte, as protests turned uglier on Thursday, three days after the fatal police shooting of an African-American man.
Police had to resort to firing tear gas shells to disperse demonstrators blocking a main highway, international news agency AFP reported.
In the agitation gripped southern US city of North Carolina, hundreds of National Guard troops and police reinforcements converged on the streets to quell the protests, the international news agency said.
Killing of 43-year-old Keith Lamont Scott fueled outrage in Charlotte prompting the North Carolina governor to impose a state of emergency.
Rioting on Wednesday and Thursday left about a dozen officers and protesters hurt, including a man who was shot and critically wounded, international news agency Reuters reported.
A string of police-involved killings of African-American men has been triggering similar protests across United States.
(Wion with inputs from AFP, Reuters)