Thanks for all your help.
Couple more that really escape me!
7d Thoroughly scour one country to secure safe access (11,4)????I?A?I?N,????
21f Books about English work in jazz (5) b????
5D Demolish converted salt mine Dutch started(9) ????a?t?e
24a Player or singer with nothing on (7) ??????n
27a Cost over 1000 pounds could be a thorn in your side(7) ??????e
10a Catch RMS ship at sea(7) ??r???s
Thanks for any help