Violent protests raged in Charlotte for the second night over the police shooting of an African-American man, prompting North Carolina's governor to declare a state of emergency.<br />One person was on life support after being shot Wednesday night by another civilian during the unrest, the city tweeted.<br />Earlier, the city had said that person had died.<br />At least four officers suffered injuries not considered life-threatening during Wednesday night's protests, according to police.<br />We cannot tolerate violence.<br />We cannot tolerate the destruction of property and will not tolerate the attacks against our police officers that is occurring right now.<br />Charlotte Mayor Jennifer Roberts told CNN she would consider options such as a curfew if the protests continue.
