Activists from the western Russian city of Smolensk have petitioned the country's parliament, the Duma, to demolish a symbolic memorial site to the Katyn massacre and a cemetery for its victims, Russian daily Kommersant has reported. Images posted online showed heavy machinery, bearing the pro-war 'Z' and 'V' symbols, approaching the Katyn monument in an apparent bid to destroy it. The memorial site and monument commemorate the Katyn Forest Massacre in western Russia, a series of mass executions of Polish POWs, mainly military officers and policemen, carried out by the Soviet NKVD security agency in April and May 1940. The...