US
"I've said it very simply. I think it could very well have been Russia. I think it could well have been other countries. I won't be specific. But I think a lot of people interfere," Trump said during a visit to Warsaw.
"Nobody really knows. Nobody really knows for sure," he said, challenging US intelligence agencies which suspect Russian President Vladimir Putin orchestrated a sweeping campaign to tilt the November vote in Trump's favour.
"I remember when I was sitting back listening about Iraq. Weapons of mass destruction. How everybody was 100 percent sure that Iraq had weapons of mass destruction. Guess what -- that led to one big mess," Trump said of intelligence claims that prompted the US-led invasion of Iraq in 2003.
He also lashed out at his predecessor Barack Obama over the vote meddling allegations, saying: "My big question is why did Obama do nothing about it from August until November? It wasn't because he choked."