We have coyote warning near me all the time in the newspaper. They will definitely stalk, hunt and kill our dogs. It has happened near me many time.
Recently, there was an article in our local newspaper about a coyote that lured a Lab away from the house by being playful. Once he was away from the house the pack attacked and killed him
I live in the suburbs of Chicago in a very populated area. Please be very careful with your pups.