Washington DC, March 26 -- Amid the ongoing West Asia conflict, US President Donald Trump said that the military action against Iran was necessary to prevent it from acquiring nuclear weapons, highlighting the threat as a "cancer" that had to be "cut out".

Trump, while delivering remarks at the NRCC Annual Fundraising Dinner, said previous US administrations had avoided taking decisive action for "47 years".

"When I went on to do something that for 47 years should have been done by any of the other Presidents, and you heard numerous of them said they wished they did it, but they didn't have the guts to do it. We had no choice, but I thought it would be much worse," he said.

He added, " In the short term, what we had to do was get rid o...