Started cryptic and got stuck, went on to easy and stuck on it now. Late night last night so blaming lack of sleep!!
Cryptic 1a prince henry's journey by air in semi-darkness (4,5) -a-- l---t ( half light)?
8a Light fish (3) ---
9a Little time offered by brief announcement (5,6) -h-t ---i--
6d Reporters in hospital keep going (5,6) ----- -n-a--
20a Does he look at incontrovertible evidence? (5,6) p---- -e----
That's some of them, maybe someone will give me a bit more help.
Quick clues 1a Sparkling (9) -r--l----
9a Praiseworthy (11) -er-t-----s
4d Halt (6) ----s-
5d Truck (7) ----l--