Police have confirmed an emergency operation in Thredbo.
It is understood that a 10-year-old girl and a man are missing after becoming separated from a group while snowboarding.
They are reportedly without their snowboards.
Emergency services are responding.
“Our hearts are in our mouths,” said Ambulance NSW Superintendent Jordan Emery.
“We’re really hopeful we’ll be able to locate them before the sun sets this evening”.