A diplomatic crisis erupted at the IAEA after the US blocked Iran's nuclear chief from attending the annual conference in Vienna using UN snapback sanctions.

The International Atomic Energy Agency has uncovered tonnes of nuclear material at a previously undisclosed location in Syria after a formal declaration from Damascus.

Despite renewed interest in nuclear power as a carbon-free energy source, the industry remains vulnerable to threats ranging from cyber attacks to combat. Ongoing concerns include potential human-induced errors and the long-term management of nuclear waste.