999 call by Rob Knox's friend

A man who stabbed 18-year-old Harry Potter actor Rob Knox to death outside a bar in south-east London has been found guilty of murder.

Karl Bishop, 22, from Sidcup, attacked the teenage actor after a fight outside the Metro Bar in Sidcup last May.

At the time of the incident, Rob Knox's friend called the emergency services and told the operator:

"He's after my mate. We need a police car now"