Speaking after this afternoon's crash, Nottinghamshire Police issued this statement.
"A police vehicle responding to an emergency call has been in a collision with another vehicle in Nottingham this afternoon.
"A man and a boy have been taken to hospital. The male police officer was uninjured.
"An investigation has begun and is on-going."
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IBM has announced today that it will open its first UK Services Centre in Leicester.
Cloudy at first with outbreaks of rain, sleet and hill snow possible.
Remaining cold with bright spells and further scattered rain and sleet showers, with snow becoming increasingly restricted to hills.