Fighting breaks out in Ukraine's parliament

Members of the Ukrainian parliamentary opposition factions cover their seats with the colours of the Ukrainian national flag and a smoke bomb is thrown Photograph: Sergei Supinsky/AFP/Getty Images Photograph: Sergei Supinsky/guardian.co.uk Deputies of Ukraine's parliament fight during a parliament sitting in Kiev Photograph: Sergei Supinsky/AFP/Getty Images Photograph: Sergei Supinsky/guardian.co.uk Guards cover parliament speaker Volodymr Lytvyn with an umbrella to protect him from eggs thrown by opposition lawmakers during ratification of the Black Sea Fleet deal with Russia Photograph: Efrem Lukatsky/AP Photograph: Efrem Lukatsky/guardian.co.uk A fireman, centre, rushes to extinguish a smoke bomb during a session in the Ukrainian parliament Photograph: Gleb Garanich/Reuters Photograph: Gleb Garanich/guardian.co.uk Ukrainian opposition and pro-presidential lawmakers fight each other during ratification of the Black Sea Fleet deal with Russia, in parliament in Kiev, Ukraine Photograph: Efrem Lukatsky/AP Photograph: Efrem Lukatsky/guardian.co.uk Deputies of Ukraine's parliament fight during a parliament sitting in Kiev Photograph: Sergei Supinsky/AFP/Getty Images Photograph: Sergei Supinsky/guardian.co.uk Deputies of Ukraine's parliament fight as smoke bombs are thrown during a session in Kiev Photograph: Sergei Supinsky/AFP/Getty Images Photograph: Sergei Supinsky/guardian.co.uk Security personnel protect the Speaker of Ukraine's parliament Volodymyr Lytvyn with umbrellas during a fight at a parliament sitting in Kiev Photograph: Sergei Supinsky/AFP/Getty Images Photograph: Sergei Supinsky/guardian.co.uk Deputies scuffle during a session in the Ukrainian parliament Photograph: Gleb Garanich/Reuters Photograph: Gleb Garanich/guardian.co.uk Security servicemen protect Ukrainian parliament speaker Volodymyr Lytvyn from eggs hurled at him Photograph: Maxim Marusenko/EPA Photograph: Maxim Marusenko/guardian.co.uk