Rescuers in Taiwan narrow down search for Australian couple missing on hiking trail after earthquake

CCTV footage shows couple beginning their hike on the mountainous Shakadang trail just 25 minutes before the 7.2 magnitude earthquake struck

Rescue efforts are still under way in Taiwan's Taroko national park to find two missing Australian nationals, who have not been seen for six days after a massive earthquake hit the island.

The couple, identified by local government officials as Neo Siew Choo and Sim Hwee Kok, went missing after the 7.2 magnitude earthquake struck the island at 7.58am on Wednesday.