Columbia 'had unusual rise in temperature'

Nasa have released more details about the technical problems that the space shuttle Columbia may have experienced just minutes before disintegrated in mid-air.

Nasa have released more details about the technical problems that the space shuttle Columbia may have experienced just minutes before it disintegrated in mid-air.

It is alleged that the shuttle suffered a sudden and unusual rise in temperature on its left side as it started its decent to Cape Carnaval.