Across
21d
King has a change of heart initially, having to trample over crusader (6,7)
See 1
Frustrating skin defect in article (9)
Stand in line to hear writer die as such (5)
Religion is a bit of a growth industry (5)
Plenty in support of amalgamation (9)
From the East, an aroma is emerging (7)
In France, you read Italian (6)
Tour Iran, plus half the planet (6)
Request tree-lined square borders (7)
They say solver had dinner late to lose strength (9)
Turned up really loud, music essentially is pants (5)
A number are into computers (5)
Right fuss after outrageous speed: it's criminal (9)
29a
Extremely undemocratic to interrupt the development of nearly green power generation (7,6)
See 28
Down
Keen to welcome both long and terribly grand plot for production (7,6)
Here Ryde is an American (5)
Strong as Poirot? (9)
Vessel manoeuvre: starting to go about (7)
Once an island bird losing half its tail? (5)
Car built to run on the ultimate in engine oil (9)
20d
Isn't he wrong breaking into minister's residence not long ago? (6,7)
Sticker permitted troublemaker to enter (6)
Calculated harm to banning e-cigarettes (9)
He sips any cocktail that's hard and fruitless (9)
Speak ill of topless Lesbian? (7)
Bristol sounds like a French port (6)
See 7
See 1
Inverting upside-down explosive (5)
Natural ability to pick up a distress signal (5)
Type letters or click words in the clue