If you start a war, you won't be able to finish it: Iran to Trump

Iran's Ambassador to India, Mohammad Fathali, warned US President Donald Trump after he issued a threat that Iran could be "taken out" in one night. "We said that if you start a war, you won't be able to finish it. And we have said again: if you target our infrastructure...," Fathali added. He asked US to learn from past mistakes.