Ashley Charles has been found guilty of the murder of Phillip Sherriff. The incident took place after the Blackberry BBM party in south London.
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Call records show people phoning within minutes of each other were given different advice.
Police looking for a suspected thief with a resemblance to Friends actor David Schwimmer have made an arrest in London.
Sana Muhammad, 35, was fatally injured at her home in Ilford on Monday, but medics managed to deliver her son in hospital.