The annual Western Connecticut Police K9 Challenge is being held in Newtown on Saturday at the 2nd Company Governor's Horse Guard facility.  The K9s will compete for prizes this weekend in the challenge organized by the Newtown Kennel Club and the Friends of the Second Company Governor’s Horse Guard.  The event from 10am to 3pm is open to the public and will also feature kid-friendly activities.  Proceeds from the event will benefit the Friends of the Second Company Governor’s Horse Guard.