Deputy Leader of Nottingham City Council, Graham Chapman, has defended the decision to increase the parking levy from 1st April by 16%.
It means firms with 11 spaces or more will have to pay more than £300 per space.
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Five men and a woman died in the crash. A 22-year-old man remains in a serious condition in hospital.
A taxi driver killed in a multi-car crash had been on his last job of the evening. His daughter's birthday is today.
Cold and frosty initially. Dry and fine conditions through the day.