1d. News about a novelist at sea
3d. Fat suit one made the focus of polemic
15a. Increases reversed after final spike
16a. Men ruined work - it's sabotage
18d. Search for gold dropped in anger (poss 5)
19a. Grand ending of fine short film
25a. Passed inside man heard a weapon (7)
27a. Copper perhaps capturing American relative (6)