41.   The rules do not prevent the use of extrinsic evidence in interpreting genuine ambiguities in the words of the contract.

42.   We usually instruct doctors who specialise in producing medico-legal reports and who have proven themselves in giving evidence in the past.

43.   Civilian witnesses are notoriously unwilling to assist unless pressed, particularly if they have already been obliged to give evidence in criminal proceedings.

44.   In addition the court may direct that the local authority be provided with copies of all or part of the documentary evidence in the case.

45.   Once the applicant has put his case, the respondents may adduce their evidence in the above order which should also be followed for cross-examination purposes.

46.   A party intending to rely on documentary evidence in proceedings under the Children Act must disclose this in advance.

47.   The courts will clearly require expert evidence in setting the appropriate standard.

48.   And you will do so by listening to all the other officers who will give evidence in the case.

49.   Were you present when Mr gave evidence in this court?

50.   Police say the raids are part of an investigation into alleged interference with witnesses and tampering with evidence in a forthcoming trial.