Across
Sister in Swiss laboratory turning thus sees the 28 (9)
Spanish poet's killer chasing Liberal (5)
Fields about to involve one in magical practice? (5)
Incompetence where ISS orbits planet for all to see disappearing (9)
Silent Y replaced with it (2,5)
Constant and sacred syllable used among workers in suits (7)
Good bread consecrated for wraith (5)
Beastly prong to have first point missing in moor? (3)
Wife a certain duke's snatched becomes possessed (5)
Big Brother welcomes international runner (7)
See 21 Down
As hoyden my boot's in tatters: his likewise? (9)
Inheritance finally claimed by particular relative (5)
Grave shouldn't hold American or second European artist (5)
Working on herd, Lassie perhaps recalled figure of 11 (6,3)
Down
Lowering fish to boat's bottom (8)
Motorists following as escorts creating disturbance (6)
Oil producer usual type deceptively adding in carbon (10)
No sage as far as rustic one is concerned? (6)
Come together! See lambs frolicking! (8)
Mark course in vessel circling lake (4)
Figure of 11 or sign of Cross? (5,3)
Bones in the ancient Cilician capital (6)
Traditional performer hindered response to an audience? (4,6)
Decorate religious work with gold title to start (8)
Vampire saga with one large drunk outside (8)
Underworld deity watches over balloons (8)
22a
(and 22 Across) Figure of 11's hot-dogs Mrs Dee prepared (6,7)
Note from musical instrument under G&S (1,5)
Years after corruption in genre, it's E for Einstein? (6)
Curse as horse brought to grass (4)
Type letters or click words in the clue