All day Saturday thousands of people laid flowers and lit candles in tribute on the bridge where Boris Nemtsov was murdered on Friday night. They included other prominent opposition politicians. <br /><br /> “I would say this not only a blow to the opposition but to the whole of Russian society. It is a blow to Russia”, said another opposition leader Sergei Mitrokhin. “If political views are punished in this way then this country simply has no future.”<br /><br /> President Vladimir Putin condemned the killing as “vile and cynical” and he vowed to find the killers. <br /><br /> Russia’s Investigative Committee says it is looking into a number of possible motives including Boris Nemtsov’s opposition to the war in Ukraine. <br /><br /> But some of his allies think whoever shot him did it because of his opposition to Vladimir Putin. <br /><br /> Activists called off a planned march on Sunday that Nemtsov had helped organise. It was to protest against Kremlin policy on the economy and Ukraine. <br /><br /> Instead it will be a memorial march for Ne
