The message from Mojtaba Khamenei was read by a presenter on Iranian state TV. He has not been seen in public since succeeding his father.

The era of autonomous warfare will not announce itself with robotic armies marching across battlefields. Instead, it is already emerging, quietly and inexorably, in the skies and fields of eastern ...

More cargo ships have been attacked in the Gulf, apparently by Iran, as the oil price rises again to almost $100 a barrel Two tankers were hit near Iraq, while a container ship was struck near the UAE ...