A Chilean Air Force plane carrying 38 people has disappeared en route to Antarctica.
The C-130 Hercules transport aircraft went missing shortly after taking off from the southern city of Punta Arenas.
Officials have declared a state of alert and dispatched a search and rescue team.
The plane was travelling to provide logistical support for the maintenance of Chilean facilities at the Antarctic base.
Among those missing are 17 crew members and 21 passengers.


Strong quake hits Mexican coast near Guatemala, triggers tsunami threat
US completes 'major' wave of strikes on Iran, Gulf states under attack
Andy Burnham becomes UK Labour leader; next stop - prime minister
Kuwait says Iranian attack damages power generation, water desalination station
