China's Ministry of Foreign Affairs has hit back at a call from the head of Anthropic for the U.S. to curb China's artificial intelligence capabilities

BEIJING, Sept 14 (Reuters) - China will impose a no-fly zone over its capital and tighten a citywide drone ban, state media reports showed, months after a small aircraft crashed into Beijing's tallest building in a rare incident that raised questions about apparent security gaps in one of the world's most tightly controlled airspaces.