Marooned among empty seats in the Ukrainian parliament, Vadim Novinsky broke with the ruling Party of Regions and voted in favor of a bill condemning the violence that has left dozens dead in Kiev during a week of bloodshed.
It was unusual behavior by Ukraine's fourth richest man, a close ally of President Viktor Yanukovich.
It was also a sign that a leader who had seemed unshakeable since protests against him broke out in November may be under pressure from his most powerful supporters, Ukraine's money men.
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