UK charity workers are expected to arrive in Chile to help survivors of a massive earthquake as concerns were raised for four missing Britons.
Two British couples who were staying in the resort of Pichilemu have not yet contacted their families.
Kirsty Duff from Stonehaven, Aberdeenshire and Dave Sandercock from Edinburgh, both 25, arrived in the country three weeks ago, according to reports.
Andre Lanyon from Guernsey and Laura Hapgood, both 29, went to Pichilemu on Friday.
Staff from Oxfam were due to touch down in the South American country after Saturday's magnitude 8.8 quake, which has so far killed more than 700 people.
Troops were sent out in a bid to stop people desperate for food and water from looting.
Around 1.5 million Chileans were affected by the tremors, which caused buildings and roads to collapse and left 500,000 homes severely damaged.
But fears a tsunami would wreak further devastation across the Pacific proved unfounded with waves failing to cause serious problems.
A tsunami warning put in place for 53 countries has been lifted.
President Michelle Bachelet declared a "state of catastrophe" in central Chile.