St. Louis (KSDK) - A puppy who was dragged behind a truck on Wednesday has been upgraded to stable condition.
The Humane Society of Missouri says the 5-month-old pit bull was tied to the back of the vehicle, but not by the driver.
Authorities say the truck owner didn't realize the puppy was there when he took off down Interstate 55.
The dog has severe injuries to his legs and head.
There is A $2,500 reward for information in the case.