An 18-year-old man has been arrested on suspicion of murdering Leonne Weeks, 16, who was found dead on a path in Rotherham.
Police meet social media representatives
The top people at Facebook, Twitter and Blackberry meet the government later as it looks at possibly blocking the services during any future riots.
It's claimed BlackBerry Messenger was used by rioters so they could tell each other which shops to loot.
A Home Office source says there is "no suggestion" any of the sites would be closed down.
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A man has been fined £1,800 for flying drones over Parliament, near Buckingham Palace and over football stadiums.
Government to investigate after some restaurants accused of withholding tips
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