Cryptic crossword

ACROSS 1. The former condition isn’t ripe for development (8)

5. The Terriers came back to pin down the assault (6)

10. Silly secret agent holding Petty Officer back (5)

11. Inoculate a hundred in, and leave the outside (9)

12. Raised one’s glass as one browned the bread (7)

13. Go on longer but lose head when Olive is around (7) 14. Screened, and passed as sound, animal doctor Edward (6) 16. The Lords have a close look at senility (7)

19. Blissful state the Iran navy couldn’t quite bring about (7) 21. Leading journo who tried nothing different (6)

25. The bosom went first as one scurried around (7)

26. Game officials make prim use of them (7)

28. Pen, in being mutually owned, is made more acute (9) 29. Cheese fit for a god doing u-turn (5)

30. Hate to set Ted in a whirl (6)

31. A royal daughter with a line on couture (8) DOWN 1. Is sure it’s not the negative (8)

2. Tim could be about to design a graft (7)

3. An appointment to meet in Coventry Station (5)

4. State Dean confused with Virginia (6)

6. Chirped out how a fool might deter it (9)

7. Nazi mag puts it out that it’s incredible (7)

8. Zoo-man may be seen behind the wicket (6)

9. Escort with nothing perhaps but a two-wheeler (7) 15. Postal covers about eleven POs supply (9)

17. If one’s done any wrong this may allay the pain (7) 18. Watch-glasses the class try to assemble (8)

20. The moment saint is created by the New Testament (7) 22. Anguish inflicted, or utter confusion (7)

23. It is lowered as it appears in a bed (6)

24. The killing of a famous racehorse was overturned (6) 27. Father is to gain one less heathen (5)