Ukrainian President Volodymyr Zelensky has questioned Donald Trump's claim that he could end Russia's war against Kiev within 24 hours if he is re-elected in 2024.During an interview with NBC News, Zelensky also invited Trump to Ukraine to physically witness the scale of devastation that Russia's invasion has caused since it was launched in February 2022."If he can come here, I will need 24 minutes - yes, 24 minutes... to explain (to) President Trump that he can't manage this war. He can't bring peace because of Putin," CNN quoted the Ukrainian leader as saying in the interview.