Above, Julian Assange speaks to Jemima Khan, who guest-edited this week's New Statesman.

Those speaking in favour of the motion "This house believes that whistleblowers make the world a safer place" are seated on the left.

Assange speaks in favour of the motion, arguing that whistleblowers could have prevented the Vietnam and Iraq wars.

The whistleblower Annie Machon addresses the hall.

Here, Machon responds to criticism from Douglas Murray, who was speaking for the opposition.

The crowd at Kensington Town Hall.

The New Statesman's Mehdi Hasan speaks in favour of the motion.

The writer Douglas Murray rounded off the debate, opposing the motion.

Assange attempts to interrupt Murray's speech on a point of information.

Seven hundred people attended the debate.

The audience voted in favour of the motion.

All photographs: New Statesman