Iran says it has repelled a major cyber attack amid an explosion at the port of Bandar Abbas and nuclear talks with the US

<p>Iran has identified a large-scale cyber attack on its infrastructure and is taking preventive measures, said Behzad Akbari, head of the Communications and Infrastructure Company. The incident occurred on the same day the port of Bandar Abbas was rocked by an explosion, the cause of which remains unclear. Tehran denied speculation that the explosion was linked to the handling of rocket fuel. Iran has in the past accused Israel of cyber attacks.