Ukraine has admitted that it exported 12 cruise missiles to Iran and six to China amid mounting pressure from other countries to explain how the sales occurred. Svyatoslav Piskun, Ukraine's prosecutor-general, told the FT that 18 X-55 cruise missiles, also known as Kh-55s or AS-15s, were exported in 2001. None of the missiles was exported with the nuclear warheads they were designed to carry. However, Japan and the US say they are worried by what appears to have been a significant leak of technology from the former Soviet Union's nuclear arsenal. The X-55 has a range of 3,000 km,...