Aerial view of Mississippi flooding, 6 May 2011. BBC

By Daniel Griffiths
6 May 2011 Several US states that were hit by recent storms in the south and midwest now face the threat of severe flooding. Earlier this week engineers blew up a section of a Mississippi River levee to prevent towns further downstream from being flooded. Thousands of people in states from Illinois to Louisiana have already been forced from their homes, as waters continue to rise. President Barack Obama declared regions in Mississippi, Tennessee and Kentucky disaster areas on Wednesday, making them eligible for federal help with relief efforts.

Storm-hit US braced for more floods