(1) Whether steps (a) have been or (b) are to be taken to prevent the use of unauthorised communication devices within prisons; if not, why not; if so, what are the relevant details; (2) how many unauthorised communication devices have been (a) confiscated from remand detainees and (b) convicted prisoners (i) in the (aa) 2009-10, (bb) 2010-11, (cc) 2011-12, (dd) 2012-13, (ee) 2013-14 and (ff) 2014-15 financial years and (ii) from 1 April 2015 up to the latest date for which information is available; (3) what (a) type and (b) quantity of communication devices were confiscated from (i) remand detainees and (ii) convicted prisoners in the case of each financial year and time period?