Police: 'Highly sensitive material' seized from Miranda

An initial examination of material seized from David Miranda at Heathrow Airport "has identified highly sensitive material, the disclosure of which could put lives at risk," Scotland Yard said.

David Miranda was detained at Heathrow Airport for nine hours. Credit: Joao Laet/Agencia O Dia/Estadao Conteudo.

"This [criminal] investigation is at an early stage and we are not prepared to discuss it in any further detail at this stage," a spokesperson added.