11. Habouring of persons committing terrorist acts
Any person who harbours or conceals, or prevents, hinders or interferes with the apprehension of, any other person knowing, or having reason to believe that such other person—
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(a) has committed or is planning or likely to commit a terrorist act; or
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(b) is a member of a terrorist group,
commits an offence and is, on conviction on indictment, liable to imprisonment for a term of 15 years.