Russian banker shot five times close to London's financial district had been days away from giving evidence to an investigation into the attempted murder of a former business associate, his lawyer has said. German Gorbuntsov, who at the height of his business empire owned four Russian banks, was walking towards his apartment block near the Canary Wharf banking district when a gunman opened fire on Tuesday evening, leaving him badly injured. London police said on Saturday they were keeping an open mind about the motive of the attack. Gorbuntsov's...