Video Duration 03 minutes 40 seconds

Who was London bridge attacker Usman Khan?

More information has emerged about man who killed two people in knife attack in London on Friday.

It has been revealed the man who killed two people in a knife attack in London was released from prison last year, after serving just half his sentence for his part in a failed bomb plot.

Usman Khan was shot dead by police on London Bridge on Friday.

He began his attack at a conference he was attending on prisoner rehabilitation.

Al Jazeera’s Catherine Stancl reports from London.