‘ run until early tomorrow morning ; scheduled to resume hours later . Iranian official : Other side must ` ` seize the moment , '' not wanting to pressure anybody . ` official : ` ` It is still totally unclear when this might happen , if it happens at all ''
Talks run until early Thursday morning ; expected to resume hours later . Iranian minister : Other side must `` seize the moment , '' not try to pressure Iran . U.S. official : `` It is still totally unclear when this might happen , if it happens at all ''