ANKARA - A British parliamentary delegation led by former foreign secretary Jack Straw met Iranian Foreign Minister Javad Zarif on Tuesday at the start of the first such visit in years, Iranian state television reported.

Long-strained ties between the two countries have warmed since the relatively moderate Hassan Rouhani was elected Iran's president in June.

In December, a new non-resident charge d'affaires made Britain's first diplomatic visit to Iran since London downgraded ties after hardliners stormed its embassy in 2011. The two countries' respective embassies remain closed, however.

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