Afghanistan, Feb. 26 -- Iran and the United States are due to hold a final round of high-stakes talks in Geneva on Thursday, seeking to resolve their long-running nuclear dispute and prevent potential US military action following an expanded regional buildup.

Iran and the United States are holding a fresh round of negotiations in Geneva, seeking to resolve their long-running nuclear dispute and avoid further military escalation in the Middle East.

The talks resume after indirect contacts earlier this month, as both sides attempt to break decades of deadlock over Tehran's nuclear programme. Washington and its Western allies believe Iran's enrichment activities could lead to nuclear weapons capability, a claim Tehran strongly denies.

Accor...