Donald Trump has expressed mock surprise after Vladimir Putin appeared to endorse his rival Kamala Harris for the US Presidency speaking at a rally in the key swing state of Wisconsin Mr Trump told supporters he didn't believe Mr Putin was serious and insisted he was the toughest candidate in his approach to Moscow Russia would have never happened if I were president attacking Ukraine would have never happened I knew I knew him well and you know he endorsed I don't know if you saw the other day he endorsed Camala he endorsed Cala I was very uh offended by that I wonder why he endorsed Camala now he's a chess player I Endor Cala should I be Congressman should I be uh upset about that no huh was it done with a smile Ron was it done with a smile I think it was done maybe with a smile I don't know who the hell knows nobody's going to figure it out they're about 19 steps ahead of us but this whole Russia thing nobody was tougher on Russia in history than Trump and the person that knows that better than anyone is President Vladimir Putin he knows it better than anyone and I'll tell you what I will have that war finished and done and settled before I get to the White House as president-elect I will get that done well Donald Trump's comments follow remarks by Mr Putin at the Eastern economic Forum in Vlados when he said kamla Harris was Russia's Preferred Choice for the next US president she has such an expressive and infectious laugh it shows she's doing well I mean Trump he's imposed more restrictions and sanctions on Russia than any president has ever imposed before and if Mrs Harris is doing well maybe she will refrain from doing something like that Vladimir Putin there