Economic mismanagement and the aftermath of COVID-19 have left the cash-strapped country of 22 million people unable to pay for essential imports of food, fertiliser, medicines and fuel because of a severe dollar crunch.

"Sri Lanka is experiencing a severe economic crisis which has led to shortages of basic necessities including medicines, cooking gas, fuel and food," the British government said.

(Reporting by Kylie MacLellan; Editing by Kate Holton)