Iran agrees to provide answers to programs linked by U.S. to nuclear arms activities

Tehran and the U.N. atomic agency have agreed to wrap up a probe into secret activities linked by the U.S. to a possible Iranian weapons program within four weeks, an official and diplomats have said.

The time limit was announced by International Atomic Energy Agency official Melissa Fleming Sunday at the end of talks in Tehran between IAEA chief Mohamed ElBaradei and top Iranian leaders.

ElBaradei also was given new information on Iran's "new generation of centrifuges" during weekend talks with Iranian leaders, said Fleming, his spokeswoman. That issue is a priority for the agency as it tries to establish how far advanced Iran is in developing …