Qatari negotiators are in Tehran for talks with Iranian officials aimed at easing tensions with the United States and preserving a fragile ceasefire agreement. The diplomatic effort comes after renewed exchanges of air strikes and conflicting statements from Washington and Tehran over the future of negotiations. While US President Donald Trump said Iran had requested further talks, Iran's Foreign Ministry denied making such a request. The report examines the latest mediation efforts, new US sanctions on Iran, and the challenges facing diplomacy as both sides continue to exchange tough rhetoric. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on Twitter: https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.io/AJEMobile #aljazeeraenglish #BreakingNews #aljazeeralivenews #aljazeeraenglish #newsfeed #news #aljazera #latestnews #BreakingNews #news