A deal on limiting Iran's nuclear programme in return for the lifting of sanctions has been reached at talks in Vienna, diplomats say.
Foreign ministers from six world powers are meeting their Iranian counterpart, amid hopes of a breakthrough after almost 18 months of negotiations
Iran's President Hassan Rouhani says progress made in nuclear talks means a final deal could be reached
A deal on limiting Iran's nuclear programme in return for the lifting of sanctions has been reached at talks in Vienna, diplomats say.
Foreign ministers from six world powers are meeting their Iranian counterpart, amid hopes of a breakthrough after almost 18 months of negotiations
Iran's President Hassan Rouhani says progress made in nuclear talks means a final deal could be reached