WATCH Authorities Investigating Video of Dog Chained to Crate on Florida Highway (video) Authorities in Florida have launched an investigation after a video emerged on Facebook of a dog chained to the top of a crate being towed by an SUV driving at least 70 mph. Palm Coast resident Brenna Cronin, 24, shot the video Wednesday afternoon in Flagler County as she and her boyfriend were driving southbound on I-95 toward Daytona Beach. In the video, a dog is seen standing on top of the crate, which contained at least one other animal, while a Chevrolet Tahoe pulls the trailer...