Photographing a crash scene

[gruffalo]

http://www.bbc.co.uk/news/uk-england-cambridgeshir...

As the people caught taking photo's are being prosecuted does this mean you cannot take photo's of a crash scene and under what law would they be charged?

[gruffalo]

Article has been updated, the bit about driving was not there when I initially read it.

Hence the question but all now makes sense.