Watch live as the United Nations Security Council holds an emergency meeting on Iran at the request of the United States. Donald Trump has said he believes Iran's regime could fall following weeks of unrest across the country, as the US president considers whether to intervene. Preparations for possible action have been under way this week, according to Sky News' partner network NBC News. The Pentagon has tailored options to meet the president's objectives, and they were due to be presented to him on Wednesday, two US officials and a person familiar with the discussions said. Read more on the Sky News website and app: https://news.sky.com/story/irans-regime-could-fall-says-trump-as-us-president-considers-intervention-13494415 #UnitedNations #IranNews #IranLatest SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales