VOA英语视频：间谍事件后英国政府拒绝将中国列为“威胁”，批评人士呼吁伦敦采取更强硬立场

The British government has rejected calls to officially label China as a threat to its interests. Several lawmakers have called for a tougher line after it was revealed that a researcher in the British Parliament was arrested on suspicion of spying for Beijing. Henry Ridgwell reports from London.