Bloomberg |�Loni Prinsloo:� MTN Group Ltd.�warned that renewed U.S.-led economic sanctions against Iran had once again tied up funds in its second-biggest market, scuppering plans to turn the country into a cash cow after years of troubles.

The South African company repatriated almost $1 billion from the country in 2017 after the lifting of a previous round of restrictions, and had embarked on a $750 million plan to extend fiber-to-home broadband connections to the country�s cities. That project is now on hold, and the difficulties taking out cash have returned.

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