Plymouth, Mass. — A Plymouth Police K-9 was shot and killed by its handler on Tuesday morning. According to officials, the K-9 team was on scene getting ready to track someone when the dog attacked its handler.The officer allegedly tried to get the dog under control but had to shoot it for safety reasons. That officer, who has been identified as Officer Keith Larson, was transported to South Shore Hospital with injuries to his hands. That dog, identified as K-9 Nico, died at the scene.Please keep K-9 Officer Keith Larson and Nico in your thoughts — Plymouth Police Dept...…Plymouth, Mass. — A Plymouth Police K-9 was shot and killed by its handler on Tuesday morning. According to officials, the K-9 team was on scene getting ready to track someone when the dog attacked its handler.The officer allegedly tried to get the dog under control but had to shoot it for safety reasons. That officer, who has been identified as Officer Keith Larson, was transported to South Shore Hospital with injuries to his hands. That dog, identified as K-9 Nico, died at the scene.Please keep K-9 Officer Keith Larson and Nico in your thoughts — Plymouth Police Dept...WW…