Charred around the edges, the entry hole on the corner of the high-rise apartment block is only about 10ft across. But, as it turned out, that was all the more devastating for the residents inside. Rather than detonating its roughly 700kg warhead on the external walls of the residential block, the Iranian ballistic missile travelled right into the heart of the structure. It exploded only when it struck the reinforced bunker nestling in the core of the building. Four people were killed, two of