Recent violent disorder in Leicester caused shock and outrage and prompted dozens of arrests, but how much was it fuelled by misinformation posted online?
We've spent the past week trying to unpick some of the false claims in and about Leicester and tried to see how much they spread both in the run-up to the disorder and the aftermath.
Temporary chief constable Rob Nixon told BBC Two's Newsnight there had been a deliberate attempt by people to use social media in a destructive way.
Mayor Sir Peter Soulsby also blamed online disinformation and said otherwise there was "no obvious local cause for this at all". At least one of those sentenced over the disorder has admitted being influenced by social media.
When we spoke to people in Leicester, either community leaders, or those who otherwise had experience of the disorder, they singled out particular pieces of misinformation that had fuelled tension in the run-up to the worst of the disorder on the weekend of 17-18 September.
One false story was referenced several times.
"Today my 15-year-old daughter… was nearly kidnapped," read a post uploaded on to Facebook, supposedly by a concerned father. "3 Indian boys got out and asked her if she was Muslim. She said yes and one guy tried to grab her."
The post was liked hundreds of times, not on Facebook but on Twitter after Majid Freeman, a community activist, shared the family's story on 13 September. He also shared a message from the police which he said was "confirming the...
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