The dog, which wore a collar identifying him as "Rookie," is in critical condition with a fractured leg and internal bleeding.
Authorities in Oklahoma County are searching for whoever threw a German shepherd off a highway bridge.
The dog, which wore a collar identifying him as "Rookie," is in critical condition with a fractured leg and internal bleeding. The Oklahoma County Sheriff's Office says the dog was thrown from a bridge on Southeast 59th Street and onto Interstate 40 on Wednesday.
A police report says a truck driver witnessed the incident. Authorities contacted the owner listed on the dog's collar, who said she had given the dog to someone else.
The Humane Society of the United States is covering all veterinary costs for Rookie and is offering a $2,500 reward for information leading to an arrest and conviction.
Anyone with information is asked to call the Oklahoma County Sheriff's Office.