Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Trump Says New Iran Sanctions Begin Monday VOA News VOA's national security correspondent Jeff Seldin contributed to this report. President Donald Trump said Saturday he planned "major" new sanctions against Iran to take effect Monday, without providing details. Huddling with administration officials at the presidential retreat Camp David, Trump announced the move in a tweet. Iran cannot have Nuclear Weapons! Under the terrible Obama plan, they would have been on their way to Nuclear in a short number of years, and existing verification is not acceptable. We are putting major additional Sanctions on Iran on Monday. I look forward to the day that..... -- Donald J. Trump (@realDonaldTrump) [1]June 22, 2019 He spoke with reporters at the White House before leaving for Camp David, at one point saying as soon as Tehran agreed to renounce nuclear weapons, "I'm going to be their best friend." Trump's tone was much softer Saturday after a week of intense actions between the U.S. and Iran. Fears of a confrontation Concern about a potential armed confrontation between the U.S. and Iran has been growing since U.S. officials recently blamed Tehran for mine attacks on two oil tankers in the Strait of Hormuz, allegations Tehran denies, and Iran's downing of an unmanned U.S. drone this past week. On Friday, Trump said that he had canceled late Thursday a retaliatory strike against several Iranian targets. He tweeted that the United States was "cocked & loaded to retaliate last night on 3 different sights when I asked, how many will die. 150 people, sir, was the answer from a General. 10 minutes before the strike I stopped it," Trump tweeted, saying the action would have been disproportionate. World leaders callfor calm World powers have called for calm after the incidents. German Chancellor Angela Merkel on Saturday urged for a political resolution of the crisis. "That is what we are working on," she told Reuters. On Sunday, Britain's Middle East minister, Andrew Murrison, will travel to Tehran for talks with Iranian officials. Britain's Foreign Office said Murrison would call for "urgent de-escalation in the region." He will also discuss Iran's threat to cease complying with the nuclear deal that the United States pulled out of last year. References 1. https://twitter.com/realDonaldTrump/status/1142506680300789761?ref_src=twsrc%5Etfw .