epa04690093 (L-R) EU High Representative for Foreign Affairs and Security Policy Federica Mogherini, Iranian Foreign Minister Mohammad Javad Zarif, British Foreign Secretary Philip Hammond, US Secretary of State John Kerry, during a press event after the end of a new round of Nuclear Iran Talks in the Learning Center at the Swiss federal Institute of Technology (EPFL), in Lausanne, Switzerland, 02 April 2015. Iran and six world powers have agreed on the key points of a deal over Iran’s controversial nuclear programme, the German Foreign Ministry and Iranian Foreign Minister Mohammad Javad Zarif said on Twitter. The breakthrough that came on the eight day of marathon talks in Lausanne paved the way for working out a more detailed agreement by the end of June. EPA/LAURENT GILLIERON