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Iran nuclear talks in the balance after Kerry push

Nuclear talks between Iran and world powers were hanging in the balance Tuesday after two days of "very tough" talks between US Secretary of State John Kerry and his Iranian counterpart in Vienna.

VIENNA: Nuclear talks between Iran and world powers were hanging in the balance Tuesday after two days of "very tough" talks between US Secretary of State John Kerry and his Iranian counterpart in Vienna.

"We are in the middle of talks about nuclear proliferation and reining in Iran's programme, it is a really tough negotiation I will tell you," Kerry said in the Austrian capital on Monday.

He said later after the talks with Iranian Foreign Minister Mohammad Javad Zarif: "We are working, we are working very hard. Serious discussions. (It was a) good meeting."

A senior US official said after a later three-way meeting between Iran, the United States and the European Union that there was "more work to do".

Kerry was due to give a news conference on Tuesday, the official said.

Time is running very short.

A deadline for Iran and the five permanent members of the UN Security Council plus Germany to forge a deal is Sunday, when an interim accord from November expires.

This can be extended, allowing both sides to continue talking, but only if both sides agree and Washington insists that Iran first has to make major concessions.

The negotiations, which entered their sixth and final round on July 3, were however set to continue between lower-ranking officials and may go down to the wire of the July 20 cut-off.

The mooted accord is aimed at eradicating fears that Iran might develop nuclear weapons under the guise of its civilian programme after a decade of rising tensions and threats of war.

Iran denies seeking the atomic bomb and wants the lifting of crippling UN and Western sanctions.

The six powers want Iran to dramatically reduce in scope its nuclear programme for a lengthy period of time and agree to more intrusive UN inspections.

This would greatly expand the time needed for the Islamic republic to develop a nuclear weapon, should it choose to do so, while giving the world ample warning of any such "breakout" push.

Iran on the other hand has stated it wants to expand its nuclear facilities, insisting they are for purely peaceful purposes and that it has the perfect right to nuclear activities under international treaties.

Both sides are also under intense domestic pressure from hardliners both in Iran and in Washington -- midterm US elections are in November -- both wary of giving too much away.

Kerry, along with the foreign ministers of France, Germany and Britain and the deputy foreign minister of China jetted into the Austrian capital on Sunday seeking to inject some momentum.

But the three European ministers left on Sunday evening empty-handed, leaving Kerry, fresh from successfully defusing Afghanistan's political crisis, to keep trying.

Britain's outgoing Foreign Secretary William Hague said there had been no "decisive breakthrough" on Sunday and a "huge gap" remained on the key issue of uranium enrichment.

This activity can produce fuel for the country's sole nuclear plant or, if further enriched, the material for an atomic bomb.

Israel, the Middle East's sole if undeclared nuclear armed state and which together with Washington has refused to rule out military action, is opposed to any enrichment by Iran at all.

Israeli Prime Minister Benjamin Netanyahu warned on Fox News Sunday that any deal leaving Iran with the capability to pursue this activity would be "catastrophic".

Zarif however outlined a possible compromise in an interview with the New York Times published on Tuesday.

This "innovative proposal" would see Iran essentially freeze its enrichment capacities at current levels for between three and seven years, and convert the material produced into a form difficult to make bomb material from.

"I can try to work out an agreement where we would maintain our current levels," he said.

Washington however wants a dramatic cut in Iran's enrichment capacity -- and for a "double digit" number of years.

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