The fine was calculated by measuring by how far Railtrack missed its target in percentage terms, but with an allowance for where the company reduced delays to the "greatest extent reasonably practicable" or where it was subsequently found that the delay was not its fault.

BBC: Railtrack says new fine is 'ludicrous'

Under the provisions of the bill as drafted, which were agreed to by MSPs, police only have to contact parents where it is "practicable" to do so.

BBC: Domestic abuse bill approved