1a For punishment has pries confined regular communicant?(3,3) (R?)?N,?A?
(Have 'Repeal' as 1d - not at all sure that is right)
21a Detachment from Canada charges Russian retret (5) D???A
22d Beg to get freed finally in prison (5) ??D?E
Thank you all for your help and to SandyRoe for pointing out Poplar - it is so obvious when it is pointed out to you! Ashamedly - only live up the road from there so I should have got it! Heigh ho!