After revelations about illegal surveillance and drone strike activities from US bases in the UK, the Lords will vote on increased oversight and accountability.
A review of US surveillance practices casts doubt on the necessity for some of them and highlights the need for urgent change, reports Human Rights Watch.
The Foreign Secretary, William Hague, has said reports that GCHQ are gathering intelligence from phones and online sites should not concern people who have nothing to hide. Hague's refusal – on security grounds of course – to either confirm or deny the UK's links with the US Prism secret surveillance programme is a source of further disquiet.
Sir Hugh Orde, president of the Association of Chief Police Officers, has called for undercover policing operations to be authorised in advance by a judge.
The human rights group Liberty has said that a council who spied on a local family have proved that it is untrue to say the innocent have nothing to fear.