Pallab GhoshScience Correspondent
Christine RoTechnology Reporter
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Home Office denies ‘absurd’ criticism over rule change that may leave dual nationals stranded
Медведев вышел в финал турнира в Дубае17:59
The BBC asked Facebook why it couldn't use its facial recognition technology to assist the hunt for Lucy. It responded: "To protect user privacy, it's important that we follow the appropriate legal process, but we work to support law enforcement as much as we can."