Londoners turn to Twitter to gather volunteers to help and clean the streets in riot-stricken areas as the looting and criminal activity continues in the capital.

Initially social media, especially the BlackBerry Chat system also known as BBM, was blamed for being the key player in helping to pull the no-gooders together, however Twitter-users have shown that these platforms could be used for good deeds.

Activists behind the @riotcleanup username are organising clean ups by disclosing locations which volunteers will attempt to fix.

One tweet read:

"Let's hope we're not needed tomorrow. But if we are, we'll be there. Good luck tonight whatever choices you make. Be safe."

Another one praised the microblogging site by saying:

"'I've only started using Twitter today and it's been worth it' overheard. Thank you all so much for info, effort and support."

In addition, two fresh websites have been launched - riotcleanup.co.uk as well as catchalooter.tumblr.com where anyone can post images they had snapped or videos they were able to take of looters in action for others to identify and report to the police.

Google has also contributed by mapping riot spots.