22d) Joined a project supported by editor (7) A??????
23d) It's being raised at riotous AGM? What a disgrace (60 no letters.
27a) Screws' leader quits old prison, being an informer (7) S?N?I??
28a) Del Boy was one, primarily tight, mean person (7) T?????R
29a) Heat found in bubbly spring (12) ???N???N????
All help greatly appreciated