A Salem police officer was shot early Friday, and the suspects remain at large. Salem police said the officer, who has not been publicly identified, is being treated at a hospital. He is expected to survive. The officer was shot during an encounter near Mission Street Southeast and 17th Street, according to police, who didn’t provide further details. The suspect or suspects in the shooting fled, according to police. Officers are working to apprehend them, and SWAT officers could be seen in video footage from the area. Police said there’s no public threat, though didn’t say why they believe that....