Mystery as massive sinkhole appears in Chile

Authorities are investigating the sinkhole which is about 25m (82 ft) wide and 200m (650ft) deep.

Chilean authorities are investigating a mysterious sinkhole that appeared over the weekend in a mining area in the north of the country.

Drone footage shows a huge hole on land operated on by Canada's Lundin Mining.

Chile's National Service of Geology and Mining, Sernageomin, has sent specialist personnel to the area, which is about about 413 miles (665km) north of the capital, Santiago.