Straphangers at bus stops clutch steaming coffees and huddle for warmth. On the horizon, views of the Andes are as spectacular as ever, their snow-capped peaks gleaming extra bright after an early sea

Chileans are experiencing their coldest autumn in over 70 years, with temperatures dipping near freezing in Santiago, as a sudden cold front from Antartica has gripped parts of South America.

Chileans are bundling up for their coldest autumn in more than 70 years mere days after sunning in T-shirts — a dramatic change of wardrobe brought on this week by a sudden cold front gripping portions of South America unaccustomed to bitter wind chills this time of year.