Images show downtown Mayfield, Kentucky, largely flattened after tornadoes.

More than 100 people are feared dead after a series of tornadoes ripped through several states in the central and southern US and transformed homes and businesses into piles of rubble late Friday into Saturday.

A rare tornado and strong storms struck along the Czech Republic's southern border.

The South is bracing for a severe weather outbreak, including some of the same areas that got hit with tornadoes last week.