New storms hit Mississippi and the US Southeast Monday, threatening tens of millions of people a day after tornadoes killed 17 and ripped up homes in nearby states.
A tornado swept through the northern city of Tupelo around 2.30 pm (1930 GMT), the National Weather Service said, adding that a crew was en route to survey the damage.
The National Weather Service said more than 49 million people living in the watch areas were threatened by the storms, upwards of 1.4 million of them in high-risk areas
