Hillary Clinton heads to Gulf to keep pressure on Iran

US Secretary of State Hillary Clinton is to arrive in the Gulf to rally Arab support for tougher sanctions against Iran over its nuclear programme.

In Qatar, Mrs Clinton will address the annual US-Islamic World Forum and meet Turkish premier Recep Tayyip Erdogan, whose country opposes the sanctions.

The three-day tour will include her first ever trip to Saudi Arabia.

The Obama administration is stepping up pressure on Iran by launching a diplomatic offensive in the Gulf.

Washington wants the UN Security Council to impose a fourth round of sanctions on Tehran.

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