He noted that tech companies are "already under that duty when it comes to terrorist material so it can be done. It's a known mechanism," adding that "we need to pursue this with the same vigour".
They questioned whether the building had been adequately fortified, telling CBS News a trailer was being used as an office, with 12ft (3.7m) steel-reinforced concrete barriers to shield it.
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AI开始下沉至中老年群体，是技术应用加速渗透的一个缩影，但也带来了更大的挑战：
Фото: Roman Naumov / Globallookpress.com