Four dolphins, including two calves, are saved after being stranded in a canal in Florida, US.<br /><br />The video, filmed on Tuesday (September 17) and Wednesday (September 18) in St Petersburg, Florida shows a human chain which pushed the dolphins back to freedom using the sounds and vibrations of the water. <br /><br />The dolphins arrived from Tampa Bay and got stuck in a St Petersburg canal off 4th Street North and the 78th Avenue bridge.<br /><br />According to wildlife officials, the dolphins were stuck in the water since Sunday and could not find their way back under the bridge due to noise from cars and people. <br /><br />Florida Fish and Wildlife Conservation Commission, along with marine biologists coordinated the rescue.
