Across
Legally hand over classic horror story penned by West Country runner (9)
Checking on our electrics, extension leads over here! (5)
Late battle unfinished, one gutted about it (7)
When astronomical body going down, doctor ready to act? (7)
Check on hip (4)
Minor error, result of crossing chicken with armoured animal, might you say? (10)
26a
Authentic expression of concern by parliament (3,4,5)
Curse when senior officer's overcome by sudden rush (7)
Reptilian chief of police? (10)
A relation, unaltered (2,2)
Special paint — a small amount not quite covering blubber (7)
Unruly chap punched by king, attention-seeker leaves (3,4)
See 16
Tiny bit of lettuce stuck in dentures unfortunately — that's what happened (3,6)
Down
Egalitarians supposedly come apart, with dirty tricks inspiring criminality at first (10,5)
Heading for escalator, the lift put out (8)
Austrian composer leading Punjabi in hunting game, we hear? (5)
Measure hole in nuclear site (8)
Skinny vermin almost entirely squashed by upstanding cardinal (6)
Line, one nailed by a fool one's played (9)
21d
Beginning to tire, school in terribly important, passionate game? (6,6)
German's noted classic, H? (10,5)
Under top of glass eye, a long wiggly line (9)
Charge, as letter may be requiring postage, ultimately (8)
Jam session? (4,4)
Secure packing chest for gingerbread (6)
See 7
Shooting stick's outside, supporter set up (5)
Type letters or click words in the clue