Hospitals in the Brazilian city of Manaus have reached breaking point while treating Covid-19 patients, amid reports of severe oxygen shortages and desperate staff.
The city, in Amazonas state, has seen a surge of deaths and infections.
Health professionals, quoted by local media, warned “many people” could die due to lack of supplies and assistance.
Brazil has recorded more than 205,000 virus deaths – the second-highest tally in the world, behind the US.
A new coronavirus variant has recently emerged in Brazil, with several cases in travellers arriving in Japan traced back to the Amazonas region.