2502: Nay-sayers?
The unclued lights (two of two words) are of a kind, verifiable in Brewer. Across 4 High-handed relation in discussion first (11)11 This amphibian would need Marvel to make vanilla ice cream (9)12 Auxiliary doctor taking pulse (5)14 Ancient Glaswegian notice covering centre of Mull (4)15/38 Office facility managed 25C (6, two components)19 Nothing