Question Author
Many thanks danny, just a few more please!!
5a) A few stand up, say, for precis (9)
15d) Instil a touch of uncertainty in heart of climbers (5)
18d) Give approval to soldiers invading ruins of 12 down (7)
is 12d) Needs (Dresden's less Drs) Clue: Bombed Dresden's short of doctor's requisites (5)