This is Leicestershire.co.uk article here
Eileen Hayes, the NSPCC's parenting adviser. “I once left my baby in the car for a brief time and when I came back, a policeman was waiting for me,” she says. “It's not illegal but it was embarrassing, and if anything had happened I'd have been done for neglect.
And that was the extent of your concern, getting done for neglect? Not that your child could have been abducted or come to harm? At least a kind policeman bothered to show up to babysit, Mrs Parenting Adviser.
How young is too young to be home alone? article here
Discussion at The 3 Arguidos: NSPCC failing children