moscow donald trump directly ask russian president vladimir putin talk weekend summit vietnam whether allegations russian meddle last year u.s. presidential election true ria news agency report sunday u.s. president say saturday believe putin denial accusations despite view u.s. intelligence agencies russian interference take place trump late distance remark accord ria kremlin spokesman dmitry peskov ask trump raise question allege russian meddle say fact trump ask whether information could true true could president putin part explain position russia interfere election could case putin also say understand groundless statements issue make unite state peskov add russian issue cloud trump first year office trump initial comment saturday draw criticism home u.s. intelligence agencies long since conclude russian meddle hack release email embarrass democratic candidate hillary clinton sunday trump careful make clear side intelligence agencies leadership previously call allegations election campaign collusion moscow hoax trump ask putin allegations russian meddle true ria