The 'world's biggest iceberg', "A23a iceberg", which is more than twice the size of London, is drifting toward South Georgia Island, raising concerns among scientists that it could disrupt the feeding patterns of young penguins and seals.

The biggest iceberg on Earth is heading toward a remote island, creating a potential threat to penguins and seals inhabiting the area.

The trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents.