The necessity of detention refers to that detention is indispensable for safeguarding the suspects available to case, saving the evidences and preventing recommitment, etc.

羁押的必要性是指羁押对于达成保全嫌疑人的人身、保全证据和预防再犯等羁押目的是必需的。

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Criminal detention is executed by two police. The police conduct a criminal suspects questioned after criminal detention within 24 hours, and notify the families of detainees.

刑事拘留由两位民警执行，刑事拘留后的24小时内民警要对犯罪嫌疑人进行一次讯问，并通知被拘留人家属。

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He had disagreed with Rupert Murdoch on some issues, including the detention of terrorism suspects and a licence-fee funded BBC, he said.

BBC: David Cameron: No 'grand deal' with Murdochs

He rebels on Iraq and on the proposed 90-day detention of terror suspects.

BBC: Chris Mullin takes centre stage in A Walk on Part

The review will consider the use of control orders for terror suspects, stop and search powers under Section 44 of the Terrorism Act 2000, the use of counter-terror laws against photographers, and the detention of terror suspects before charge.

BBC: Peers welcome counter-terrorism review statement