Republican presidential candidate Donald Trump has said he will accept the result of the US election "if I win".
But he added he reserved the right to file a legal challenge.
His comments came after he refused to promise during the final presidential debate in Las Vegas that he would trust the outcome on November 8th if he loses.
The Republican nominee had told the audience he would keep them "in suspense".
Republican presidential candidate Donald Trump has jokingly said he will accept the result of the US election "if I win".
He added that he would accept a "clear" election result but reserved the right to file a legal challenge.
Speaking at a rally in Ohio he said: "Of course, I would accept a clear election result, but I would also reserve my right to contest or file a legal challenge in the case of a questionable result."
His comments came after he refused to promise during the final presidential debate to say if he would trust the outcome on November 8th if he loses.
Donald Trump has refused to say if he would accept the result of the election if he loses, but could he challenge it and what would happen?
During the debate Trump said "bad hombres" needed removing from the US and branded Clinton a "nasty woman". Both sparked jokes on Twitter.
The Republican refused to say whether he will accept the result of the presidential election, saying: "I will look at it at the time."