Complete the following sentence: Sergei Yushenkov was shot dead near his house in Moscow on 17 April 2003, just hours after finally obtaining the registrations needed for his Liberal Russia party to participate in the December 2003 parliamentary elections in 55 regions. Complete the following sentence: Sergei Yushenkov was shot dead near his house in Moscow on 17 April 2003, just hours after finally obtaining the registrations needed for his Liberal Russia party to participate in the December 2003 parliamentary elections in 55 regions. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Mikhail Trepashkin believed that Yushenkov was murdered because he was a leader of an opposition party that openly challenged the power of the FSB and Russian authorities. <unk> <unk> <unk>
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