Bush also said, however, that "whether (Russia) affected the outcome is another question."
"It’s problematic that a foreign nation is involved in our election system. Our democracy is only as good as people trust the results," Bush added.
READ MORE: Now That the Trust is Gone: New Poll Shows Russians Certain of US Meddling
Ex-president's remarks immediately sparked an emotional reactions in Twitter, with some people stating that George W. Bush is not the person who is entitled to speak about "election stealing," referring to his disputable win over Al Gore at 2000 presidential election.