The colossal iceberg A23a – which is more than twice the size of Greater London and weighs nearly one trillion tonnes – has been drifting north from Antarctica towards South Georgia island since 2020.

THE world’s biggest iceberg which is twice the size of Greater London has run aground after heading ominously toward a British island. The titanic A23a iceberg left fishermen in fear –

Ice wall twice the size of Greater London runs aground near British island - The nearly one-trillion-tonne block of ice, known as A23a, has grounded on the continental shelf off South Georgia island