China slams North Korea's nuclear test but unlikely to do much

By Ben Blanchard and Michael Martina BEIJING (Reuters) - China criticized North Korea's nuclear test on Friday but Beijing is unlikely to follow up with strong action because its influence is limited and it believes the United States and South Korea share responsibility for growing tensions in the region. China, Pyongyang's main diplomatic ally, is key in any effort to rein in North Korea's nuclear program. Foreign ministry spokeswoman Hua Chunying said China would lodge a diplomatic protest wit