A second day of deadly tornadoes has seen 21 people die across the southern and central US, including one person in Elvis Presley's birthplace in Mississippi.
The city of Tupelo, home to 35,000 people, suffered power outages and extensive damage to homes and businesses.
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Weather set to improve with plenty of sunshine by Saturday
Tony Davis was the first civilian to reach Pc Palmer after he was stabbed during the Westminster attack.
Defiant Londoners put on a show of solidarity for the victims of the Westminster terror attack at a vigil in their honour.