2d.??a?o?i?e. Plant making ammo exploding in the country.
4d. ??a.Duck hiding tail in the drink.
5d. R?y?e. Unnamed anthem used in extremely rude poem.
12d. I???r?????e. Persistent misuse of utopian term.
15a. ????n?n???. What's never odd or even in random pile, possibly.
23a.??i?t?e???. Unresolved position of hawk or dove?.
17d. 2words.5.4. ??r?? ????. Festival sign put up round artist's quarters.