BBC News:- North and South Korea have tested ballistic missiles hours apart from each other, highlighting an arms race on the peninsula as nuclear talks with the North remain stalled. The North fired two ballistic missiles across its east coast, its first test with such missiles in six months and a fresh breach of UN resolutions. The tests came as South Korea and China discussed the North’s nuclear issue. Hours later, the South tested its first submarine-launched ballistic missile. The test of the missile known as SLBM was pre-planned and not in reaction to the North’s latest launches. It makes