Tensions remains high in Ferguson, Missouri, after a police officer fatally shot an unarmed black teenager last weekend.<br/> <br />The incident sparked racially charged protests -- and instances of violence and looting.<br/> <br />At a news conference, Police Chief Thomas Jackson says the officer involved in the shooting was injured in the incident, and was treated at the hospital.<br/> <br />(SOUNDBITE) (English) FERGUSON POLICE CHIEF THOMAS JACKSON SAYING:<br/> <br />"We're asking that the protest be peaceful, we understand the anger, we understand the people want answers and we understand that we've got a problem."<br/> <br />On Wednesday, protestors take to the streets again -- for peaceful demonstrations.<br/> <br />Some help to clean up the mess.<br/> <br />(SOUNDBITE) (English) UNIDENTIFIED MALE SAYING:<br/> <br />"Everybody's coming together and helping each other, and it's not just black people, but it's people from all walks of life."<br/> <br />The police have said that the shooting followed a struggle between the of