Nashville, Tennessee: A bull rider ends up underneath a bull after he gets knocked out when the bull hits hits him in the head with a horn; Forbes, Australia: At a horse race, the lead horse stumbles, causing a pile-up; Port Elizabeth, South Africa: At a wildlife park, an elephant calf is unable to get out of a watering hole that it has slipped into; Phoenix, Arizona: A police dog tackles a man claiming to have a bomb; A zebra bites a crocodile's eye after the crocodile grabs a front leg; Playa Del Rey, California: A sea lion is trapped in a power plant's water basin;...