BREAKING NEWS: Police have swarmed a shopping center in Ross Township following a shooting involving a police officer this afternoon. Sources say the shooting happened outside the Big Lots store on McKnight Road in the North Hills. According to sources, the suspect has been killed and an undercover agent was shot twice. Sources say the law enforcement officer may be a part of the state Attorney General’s Narcotics Unit. The undercover agent may have been conducting an undercover sting operation. Sources say the suspect fired shots, hitting one of the agents. A second agent then returned fire, fatally wounding the suspect. The undercover agent was taken to Allegheny General Hospital. His injuries are not believed to be life threatening. Police remain on the scene. The FBI has offered assistance in the investigation.