Cctv said the chinese embassy had taken emergency measures .

中央电视台称，中国使馆已采取紧急措施。

Cctv didn 't detail any potential health impact .

央视没有详谈可能有何健康影响。

Researchers are devising ways to automatically analyze cctv and other security footage .

研究人员发明了一种方法自动分析闭路电视和其他安全录像。

Cctv officials couldn 't be reached over the weekend to comment .

记者周末期间无法联系到中央电视台的人员置评。

She is from cctv 9 which is china 's english international channel .

她来自中国中央电视台9套中国国际英文频道。