U.S. seeking'more information' on Moscow concert hall shooting.
Spokesman says he has 'no indication at this stage that Ukraine or Ukrainians were involved' No link between shooting and conflict between Moscow and kyiv, John Kirby says. 'I do not believe it is possible to link the attack to political motives at the stadium current,' he adds. 'There are people in Moscow and Russia who do not agree with the way Vladimir Putin governs, but I do not think this is the case here,' Kirby adds.