A loose dog created a big back up on I-95 in Darien this morning.

State police and drivers stopped on the highway to try and catch the animal that was running through traffic near exit 12 in Darien.

Eventually the animal ran off the road and into the woods with animal control officers close behind.To watch extended coverage of the dog scampering along I-95 in Darien, click on iO Extra on Channel 612.