Washington-Sana
Three people were shot dead by a policeman in the southern state of Arkansas, USA.
"The policeman opened fire while responding to an attack by a person armed with a knife in Fort Smith, the second largest city in the state," noting that the policeman is currently undergoing surgery in the hospital, without revealing more details about the incident, RIA Novosti news agency quoted the local police as saying.
A policeman was killed and two others were wounded yesterday in a shooting in the US state of Texas.
Shooting incidents are common in the United States with the spread of a culture of violence in American society and the right to own a single gun.
