John Kerry said `` extraordinary '' evidence points to Russia providing missile launcher . He pressured Vladimir Putin to use influence over rebels to allow international probe . Kerry and key congressional lawmakers from both parties especially sharpened the focus on Putin to , as Senate Intelligence Committee Chairman Dianne Feinstein said , `` man up '' and lead . He called on the Europeans to increase pressure on Russia , raising issue of trust for Putin . Comment:
John Kerry said `` extraordinary '' evidence points to Russia providing missile launcher . He pressured Vladimir Putin to use influence over rebels to allow international probe . He called on the Europeans to increase pressure on Russia , raising issue of trust for Putin . Comment: