High-level talks between Iran and the P5+1 group of world powers resumed in Vienna this week, as the two sides looked to make further progress on a nuclear dispute that has dogged Iran’s relations with the West for over two decades.

But unlike previous rounds of talks, the last of which concluded in late February, this latest round was held against a backdrop of uncertainty in the shape of the ongoing crisis in Ukraine, which many, given Russia’s role in proceedings, felt could disrupt the talks in the Austrian capital. (CONTINUED - 1753 WORDS)