Dozens of people are feared killed by a huge tornado which tore through Oklahoma City suburbs, officials in the US state say. BBC weather presenter Ben Rich explains how the tornado was formed.
The city of Moore, Okla., was hit by a mile-wide tornado Monday afternoon.
A look at the devastation strong storms caused across the midwest and central plains states.
At least six people were killed Wednesday as a spring tornado outbreak devastated parts of North Texas, destroying or damaging dozens of homes and injuring dozens of people.
The National Weather Service confirmed Tuesday that a tornado touched down in Bakersfield for the first time since 1999. A local resident was able to record the tornado landing at Old River Road and Stockdale Highway about 7:10 p.m. Monday. Although unusual, tornadoes in the area are not unheard of, ...