Transcript for US firefighters welcomed at Australian airport with round of applause
Finally tonight here, America strong. The American firefighters arriving to help in Australia. And the Australians grateful. The brave firefighters in Australia overwhelmed but not giving up. As those fires ravage much of the country, tonight, they're getting help. More American firefighters arriving to join the fight and this was the welcome at the airport. Arriving at Sydney airport, they join the other Americans who are already on the front lines. Some of the passengers waiting in the terminal in tears. They did not stop clapping. Commissioner Shane fitzsimmons of the new south Wales rural fire service capturing the moment, writing of the video, it reflects the gratitude and admiration we all have for their generosity. By some estimates, more than one billion animals have now been lost. So many homes, so much land. Damian campbell-davys, a water tank operator, rescued this koala. And these baby wall la bis. Seven new babies today. Cuddled together in a baby pool, tonight, nursed by volunteers. So many of them, including the Americans, vowing to keep up the fight. The American firefighters and the awesome fight ahead. And, of course, we'll stay on I'll David Muir. I hope to see you right back here tomorrow.
This transcript has been automatically generated and may not be 100% accurate.