Washington, Oct. 7 -- US President Donald Trump on Wednesday (local time) said the war with Iran will end "very quickly" and claimed that oil prices will "come tumbling down", while asserting that the US has taken away Iran's nuclear power.

"It is a war from the standpoint of what we have to do. We have to get rid of the nuclear weapons for Iran. We have taken away their nuclear power. If they had nuclear power, you would have had problems like you have never had before," Trump told reporters while departing Washington for a San Antonio Republican campaign rally.

"Their whole country right now is wiped out. It will be over very quickly, and when it does, oil prices will come tumbling down," he added.

Meanwhile, an Iranian government sp...