*UPDATE* 21.08.2012
The spam issue affecting the Metropolitan site has now been resolved, although we have been advised that it may take Google a few more days to reflect these changes.
ORIGINAL MESSAGE
We are aware that there is a spam issue currently affecting our site. We are working with our technical support teams to fix the external problem as quickly as possible and will provide further updates when the matter has been resolved.
For more information about how to make the following adaptations, click the links to the BBC Accessibility site below: