The Prime Minister David Cameron has said that the thought of prisoners voting makes him feel 'physically ill'.
A blanket ban on the practice has been in place for 140 years.
But European judges say that the UK's policy is a breach of human rights, and the Westminster government has until this Friday to comply with a Strasbourg court ruling
Scotland Tonight looked at the issue and discussed it in the studion with solicitor advocate John Scott, Chair of the Howard League for Penal Reform in Scotland; and with Scottish Daily Mail columnist Katie Grant.
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