Putin critic Alexei Navalny sentenced to 19 years in prison for extremism

Russian opposition activist Alexei Navalny, who has been sentenced to 19 years in prison. Picture: AP Photo/Pavel Golovkin, File

A Russian court has convicted imprisoned opposition leader Alexei Navalny of extremism changes and sentenced him to 19 years in prison.

Mr Navalny is already serving a nine-year term on a variety of charges that he says were politically motivated.