<p><br /> One person has been arrested in Iran after a home-made bomb was thrown at President Mahmoud Ahmadinejad's convoy.<br /> </p><p><br /> Mr Ahmadinejad was unharmed by the attack, which took place during a visit to the western city of Hamadan.<br /> </p><p><br /> The source said Ahmadinejad's convoy was targeted as he was travelling from Hamadan's airport to give a speech in a local sports arena. The president was unhurt but others had been injured in the blast.<br /> </p><p><br /> Ahmadinejad, who has cracked down on opposition since a disputed June 2009 presidential election, appeared on live Iranian television at the sports stadium. He looked unperturbed and made no mention of any assault.<br /> </p><p><br /> The populist, hardline Ahmadinejad has accumulated enemies in conservative and reformist circles in the Islamic Republic as well as abroad.<br /> </p><p><br /> Al Arabiya television said an attacker had thrown a bomb at Ahmadinejad's convoy before being detained. Dubai-based Al Arabiya cited its own sources as saying the bomb had hit a car carrying journalists and presidential staff. There was no immediate claim of responsibility.<br /> </p>
