<Li> The nature of case entails a special effort to avoid disqualified jurors . </Li> <P> Checks beyond criminal records may only be made if authorised by the Attorney General and there are adequate grounds for a prosecution request to stand by . </P> <P> During a trial, an individual juror can be discharged and the trial can continue so long as the minimum number of jurors remain . Discharge is at the discretion of the judge and should be exercised in cases of "evident necessity". </P> <P> The test was given in Porter v Magill as "Would a fair - minded and informed observer conclude that there was a real possibility, or real danger (the two being the same) that the tribunal was biased?" </P>

When are juries used in the english legal system