Announced that the US State Department said Kerry, who has just returned Friday from a trip to Asia and the Middle East, will travel to London at noon before visiting Vienna at a later time during the week.

In the British capital Kerry will meet with his counterparts from European countries and officials from the governments of countries in the Middle East, to inform them of the progress in the negotiations between Iran and major powers.

Kerry then heads to Vienna during the week at a date yet to be determined.

Iran conducts Group 5 +1 (the United States, Britain, France, Russia and China plus Germany) talks in Vienna Tuesday identified her until 24 ongoing to reach an agreement that guarantees the peaceful nature of Iran's nuclear program in exchange for the lifting of sanctions on the Islamic Republic.

Kerry said before leaving, "certainly entering a fundamental stage in the negotiations on the Iranian nuclear program, and I will be visiting Vienna in a timely manner."

And conducted the first days of this last round of talks in Vienna on the political directors level foreign ministries before joining them foreign ministers "5 +1" and Iran. Suspect the six major powers and Israel that Iran is trying to build an atomic bomb under cover of a civilian nuclear program. But Tehran strongly denies this.