Mississippi tornado: Biden declares emergency after storm kills 26 in region

Search and recovery efforts continue after twister hit hardest in some of the most economically deprived areas of US's poorest state

Joe Biden declared a federal emergency for swathes of Mississippi hit by a devastating tornado, as rescue workers continued to search for survivors on Sunday morning with a death toll of at least 26 people caused by catastrophic storms in parts of the US's deep south.

Twenty-five people were killed and dozens injured in Mississippi, throughout the state's low-lying Delta region and around its north-east portion, with another man dying in the neighboring state of Alabama.