The ICO told Google it must supply the data immediately so it could be subjected to forensic analysis before the ICO decided on the necessary course of action.

MSN: Google admits it did not delete Street View data

"The ICO is clear that this information should never have been collected in the first place and the company's failure to secure its deletion as promised is a cause for concern, " the ICO said.

MSN: Google admits it did not delete Street View data

Google said the ICO had re-iterated its confidence that Street View did enough to protect privacy.

BBC: Call to 'shut down' Street View