(KTVI) – A vicious attack by a stray dog was thwarted by an unlikely hero — a cat. <br /> <br />The video was posted to YouTube on Wednesday. The user Roger Triantafilo caught the incident on surveillance cameras. <br /> <br />The video shows Triantafilo’s son in the driveway on a bike when a stray dog grabs the small child by the leg and pulls him off the bike. <br /> <br />But then out of no where, the family’s cat lunges at the dog and chased him away from the child.
