The jailed Russian billionaire Mikhail Khodorovsky has launched a new bid for freedom. Once Russia's richest man, Khodorkovsky was jailed in 2005 for tax evasion. He'd been up for release this year, but a second trial extended his jail time. He's now appealing that verdict.

Al Jazeera's Neave Barker reports from Moscow.

Source: Al Jazeera