#BREAKING: Three US Marines have been killed after an American military aircraft crashed in the Tiwi Islands, off the coast of Darwin. A rescue and recovery operation is currently underway, with some of the 23 crew on board the Osprey are still stranded on Melville Island. MORE: https://nine.social/jI3 #9News | WATCH LIVE 6pm | 9 News

Caribou migration routes are under threat. Each year, caribou make migrations in their hundreds of thousands across the Arctic. But as the climate warms, their ancient pathways are changing - and so is the frozen ground itself. #OurFrozenPlanet tells stories that land the urgency of climate change whilst inspiring hope that change is possible for us and the health of our planet. Discover more ➡️ https://www.bbcearth.com/our-frozen-planet | BBC Earth