The unclued lights are of a kind. Across 12 Sun ruined helter-skelter without cover (9) 13 Lizard found in Wagamama! (5) 15 Screen role I transformed into (9) 16 Rabbit’s discovered in delay at terminus (6) 20 Quietly thatched house and made watertight (7) 21 Oddly, his leg is pulled by Cupid! (6) 22 Location